R

 

r                                                                              (graphics only) roentgen; right; rifleman (ARTEP 7‑8‑Drill (ARTEP 7‑7J‑DRILL (FM 3‑21.71, FM 3‑21.8)

‑R                                                                           ‑reinforcing (FM 1‑02)

R                                              reinforcing (FM 1‑02)

R&A                                                                       review and analysis

R&D                                                                       research and development

R&DELSEC                                                          research and development electronic security

R&R                                                                        rest and recuperation

R&S                                                                       reconnaissance and security, (FMs 3‑21.8, 3‑21.20, 3‑90.2; and ARTEPs 7‑10‑MTP, 7‑20‑MTP, and 7‑92-MTP); reconnaissance and surveillance (FMs 3‑21.20, 3‑90.1, 7‑30, 7‑92, 7‑93, 7‑98, FM 90‑26; and ARTEPs 7‑30‑MTP, 7‑93‑MTP, and 71‑2‑MTP)

R&U                                                                       repairs and utilities

R/A                                                                        readily available (FM 7‑92)

r/hr                                                                        roentgens per hour

R/T                                                                        record of trial

R3P                                           rearm, refuel, and resupply point (FM 1‑02)

RA                                                                          regular army

RAA                                           rear assembly area (FM 1‑02); reconnaissance avenues of approach

RAAF                                                                     Royal Australian Air Force

RAAM                                         remote antiarmor mine (FM 1‑02)

RAAMS                                       Remote Antiarmor Mine System (FM 1‑02)

RAAP                                                                     Redford Army ammunition plant

RAAWS                                                                Ranger antiarmor weapon system (FM 3‑21.8); Ranger antiarmor/antipersonnel weapon system (FM 3‑21.220)

RABA                                                                     recoil amplifier barrel assembly (FM 3‑22.65)

RAC                                                                       requisition advice care; Research Analysis Corporation

RACC                                                                    Reporting Activity Control Card

RACE                                                                     restoration of aircraft to combat effectivity

RACEP                                                                  (communications system) random access correlation of extended performance

RACES                                                                  radio amateur civil emergency service

racket                                        (EW) Intercepted electronic emission that has been assigned to a number of the trackblock)

RACO                                                                    rear area combat operations (ARTEP 71‑2‑MTP)

RACOMS                                                             rapid combat‑mapping service

RAD                                                                       radiation absorbed dose (FM 1‑02, FM 5-0‑1); obsolete; use 'centigray'); also, regional accountable depot and return to active duty

RAD/hr                                                                 RADs per hour

rada                                                                      radioactive

RADAR                                                                  radio detection and ranging (although this term, like 'scuba,' originated as an acronym, it has evolved into a common noun, 'radar')

radar beacon                               (DOD) A receiver‑transmitter combination that sends out a coded signal when triggered by the proper type of pulse, enabling determination of range and bearing information by the interrogating station or aircraft. Also called RB, FM 11‑32)

RADAS                                                                 random access discrete address

RADCM                                                                 radar countermeasures and deception

RADCON                                                              radiological control

radiac                                        (NATO) An acronym derived from the term, "radioactivity, detection, indication, and computation" (FM 1‑02) and used as an all‑encompassing term to designate various types of radiological measuring instruments and equipment (This word is normally used as an adjective.) See also FM 3‑11.4)

radiation dose                             (DOD, NATO) The total amount of ionizing radiation absorbed by material or tissues, expressed in centigrays. [Note: the NATO definition ends here.] The term radiation dose is often used in the sense of the exposure dose expressed in roentgens, which is a measure of the total amount of ionization that the quantity of radiation could produce in air. This could be distinguished from the absorbed dose also given in rads, which represents the energy absorbed from the radiation per gram of specified body tissue. Further, the biological dose, in rems, is a measure of the biological effectiveness on the radiation exposure, also absorbed dose; centigray; exposure dose; radiation dose rate, FM 3‑11.4)

radiation dose rate                       (DOD, NATO) The radiation dose (dosage) absorbed per unit of time. [Note: the NATO definition ends here.] A radiation dose rate can be set at some particular unit of time (for example, H+1 hour) and would be called H+1 radiation dose rate, also radiation dose, FM 3‑3‑1)

radiation exposure state                (DOD, NATO) The condition of a unit, or exceptionally an individual, deduced from the cumulative whole body radiation dose(s) received. It is expressed as a symbol which indicates the potential for future operations and the degree of risk if exposed to additional nuclear radiation. Also called RES, FM 3‑11.4)

radiation status                           Criteria to assist the commander in measuring unit exposure to radiation based on total past cumulative dose in centigray (cGy) Categories are as follows: a. radiation exposure status‑0 (RES‑0)—No previous exposure history. b. radiation exposure status‑1 (RES‑1)—Negligible radiation exposure history (greater than 0 but less than 70 cGy) c. radiation exposure status‑2 (RES‑2)—Significant but not a dangerous dose of radiation (greater than 70, but less than 150 cGy) d. radiation exposure status‑3 (RES‑3)—Unit has already received a dose of radiation which makes further exposure dangerous (greater than 150 cGy) Also called RS, also dose rate; operation exposure guide; radiation dose (FM 3‑3‑1)

radio fix                                      (DOD, NATO) The location of a ship or aircraft by determining the direction of radio signals coming to the ship or aircraft from two or more sending stations, the locations of two which are known (NATO only) The locating of a radio transmitter by bearings taken from two or more direction finding stations, the site of the transmitter being at the point of intersection, FM 11‑32)

radio listening silence                    The situation where radios are on and continuously monitored with strict criteria when a station on the radio network is allowed to break silence. For example, "maintain radio listening silence until physical contact with the enemy is made." See also radio silence (FM 24‑1)

radio silence                                (DOD, NATO) A condition in which all or certain radio equipment capable of radiation is kept inoperative. [Note: the NATO definition ends here.] (Note: In combined or United States joint or intra‑Service communications the frequency bands and/or types of equipment affected will be specified.) See FM 24‑1)

radiological monitoring                   See monitoring (FM 1‑02)

radiological survey                        (DOD, NATO) The directed effort to determine the distribution and dose rates of radiation in the area, also nuclear, biological, and chemical survey, FM 3‑19)

radius                                                                   a circular area defined by a stated radius (FM 3‑23.30)

radius of action                           (DOD, NATO) The maximum distance a ship, aircraft, or vehicle can travel away from its base along a given course with normal combat load and return without refueling, allowing for all safety and operating factors, FM 55‑1)

radius of damage                         (DOD) The distance from ground zero at which there is a 0.50 probability of achieving the desired damage. Also called RD, also collateral damage, FM 100‑30)

radius of vulnerability (nuclear)       The radius of a circle about ground zero within which friendly personnel will be exposed to a risk equal to, or greater than, the emergency risk criterion, or within which materiel will be subjected to a 5‑percent probability of the specified degree of damage. Also called RV (FM 100‑30)

radl                                                                        radiological; radiology (use abbreviations only in graphics)

RADLFO                                                               radiological fallout

RADLMON                                                           radiological monitor(ing)

RADLOPS                                                            radiological operations

RADLSAFE                                                          radiological safety

RADLSO                                                               radiological survey officer

RADLSV                                                               radiological survey

RADM                                                                    rear admiral

radn                                                                      radiation (use abbreviations only in graphics)

RADOT                                                                 recording automatic digital optical tracker

RADREL                                                                radio relay

RAF                                                                        Royal Air Force

RAG                                                                       regimental artillery group (OPFOR)

RAGS                                                                    river assault groups

raid                                           (DOD, NATO) An operation, usually small scale, involving a swift penetration of hostile territory to secure information, confuse the enemy, or to destroy installations. It ends with a planned withdrawal upon completion of the assigned mission (FM 3‑0)

railcar                                                                   (noun, MW9)

railhead                                      (DOD, NATO) A point on a railway where loads are transferred between trains and other means of transport, also aerial port; seaport (FM 55‑20, see Table 5‑3 for symbol)

railroad                                                                (noun, MW9)

rally point                                   1. An easily identifiable point on the ground at which units can reassemble and reorganize if they become dispersed (FM 3‑90) 2. An easily identifiable point on the ground at which aircrews and passengers can assemble and reorganize following an incident requiring a forced landing. Also called RP (FM 3‑90; see Table 7‑13 for symbol)

RALS                                         right add, left subtract (FM 3‑22.91)

RAM                                                                       random access memory; reliability, availability, and maintainability; raised angle marker (FM 3‑21.38, FM 3‑21.220), (TRADOC Pam 350‑70‑2); rockets, artillery, and mortars (FM 3‑21.20)

RAMD                                                                    receiving agency materiel division

RAM‑D                                                                 reliability, availability, maintainability, and durability

RAMMS                                                                responsive automated materiel management

random access memory                 read‑write computer memory on which the location of data does not affect the speed of its retrieval; especially, the main storage available to the user for programs and data (FM 3‑22.91)

random minelaying                        (DOD) In land mine warfare, the laying of mines without regard to pattern (FM 20‑32)

range                                         (DOD) 1. The distance between any given point and an object or target (FM 6‑30). 2. Extent or distance limiting the operation or action of something, such as the range of an aircraft, ship, or gun (FM 6‑30). 3. The distance that can be covered over a hard surface by a ground vehicle, with its rated payload, using the fuel in its tank, and its cans normally carried as part of the ground vehicle equipment (FM 55‑17) 4. Area equipped for practice in shooting at targets. In this meaning, also called target range (FM 6‑30)

range finder                                                      (noun, Merriam‑Webster online 2002) an instrument used in gunnery to determine the distance of a target

range probable error                     The range error caused by dispersion that will be exceeded as often as not in an infinite number of rounds fired at the same elevation and is one‑eighth of the length of the dispersion pattern at its greatest length. The value is given in the firing tables (FM 6‑20‑40)

range spread                               (DOD) The technique used to place the mean point of impact of two or more units 100 meters apart on the gun‑target line (FM 6‑20‑40)

range**                                     A picture label describing two groups separated in distance along the same line of bearing. group names will be LEAD group/TRAIL group)

RANXPE                                                               resident Army Nike‑X project engineer

RAP                                                                        rear area protection, rocket‑assisted projectile

RAPCO                                                                 Regional Air Priorities Control Office

RAPCON                                                              radar approach control center

RAPIDS                                                                Random Access Personnel Information Dissemination System

RAPP                                                                     registered air parcel post

rappel                                                                   (intrans verb, Third New International Dictionary, Unabridged)

rappel seat                                 a rope harness used in rappelling and climbing

rapport                                      In intelligence usage, a condition established by a human intelligence (HUMINT) collector that is characterized by source confidence in the HUMINT collector and a willingness to cooperate with him (FM 34‑52)

RAS                                           rear area security (FM 1‑02)

RASC                                                                    rear area security controller

RASCC                                                                 rear area security control center

RASO                                                                    rear airfield supply organization

RATCC                                                                 radar air traffic control center (US Navy)

rate of fire                                  (DOD, NATO) The number of rounds fired per weapon per minute (FM 3‑21.91)

RATEL                                                                  radiotelephone (I have never seen this one; I have only heard Soldiers say 'radio')

RATELO                                                               use RTO (preferred) or radio operator (SIGCEN)

RATG                                                                    radiotelegram; radiotelegraph, radiotelegraphic; radiotelegraphy

RATO                                                                    rocket‑assisted takeoff

RATT                                                                    radio teletypewriter

RAU                                           radio access unit (FM 1‑02)

RAWIN                                                                 radar wind sounding

RAWLS                                       rotating amber warning light (TC 7-21)

raygun (position heading/altitude)   Indicating a radar lock‑on to unknown aircraft. A request for a BUDDY SPIKE reply from friendly aircraft meeting these parameters)

RB                                             radar beacon; ribbon bridge (FM 1‑02)

RBAAP                                                                  Riverbank Army ammunition plant

RBC                                                                        rifle bore cleaner

RBE                                                                        relative biological effectiveness

RBN                                                                        radio beacon

RBP                                                                        ration breakdown point

RBS                                                                        Random Barrage System

RC                                             reserve component (FM 1‑02)

RCA                                           riot control agent (FM 1‑02)

RCACS                                                                 REDCOM Command and Control System

RCAF                                                                     Royal Canadian Air Force

RCAT                                                                    radio‑controlled aerial target

RCC                                           regional combatant commander (FM 3‑90.61)

RCCC                                                                    Reserve Component career counselor

RCCF                                                                     Reserve Components contingency force

RCDC                                                                    radar course directing central

RCDCB                                                                  regional civil defense coordination boards

RCERIP                                                                 Reserve Component equipment readiness improvement program

RCERT                                        regional computer emergency response team (FM 1‑02)

RCF                                           repair cycle float; remain on company frequency (FAA Handbook 7340.1); remote communications facility, user (?) defined; range correction factor (FM 3‑22.91)

RCID                                                                      recruiter code identification

RCLG                                                                     recoilless gun

RCLO                                                                     reports control liaison officer

RCLR                                                                     recoilless rifle (FM 3‑06.11)

RCM                                                                       radar countermeasures

RCMAT                                                                 radio‑controlled miniature aerial target

RCN                                                                       Royal Canadian Navy; record control number

RCO                                                                       reports control officer

RCPA                                         relation combat power analysis (FM 3‑21.10)

RCPA                                                                     Reserve Components Program of the Army

RCPAC                                                                  United States Army Reserve Components Personnel and Administration Center

rcpt                                                                       reception (use abbreviations only in graphics)

RCS                                                                       requirement control symbol

RCT                                                                       radar control trailer; regimental combat team (FM 90‑26)

RCTB                                                                     Reserve Components troop basis

rctg                                                                       recruiting (use abbreviations only in graphics)

RCTP                                                                     Reserve Components Troop Program

RCTSR                                                                  Radio Code Test, Speed of Response

RCU                                           remote control unit (FM 1‑02); reserve component unit

rd                                                                            road or round (use abbreviations only in graphics)

RD                                                                          readiness date; required date; restricted data. Atomic Energy Act of 1954; radius of damage; rifle division (FM 1‑02)

RDAISA                                                                United States Army Research, Development, and Acquisition Information Systems Agency

R‑Day                                        (DOD) Redeployment day. The day on which redeployment of major combat, combat support, and combat service support forces begins in an operation, also times (FM 5-0)

RDD                                                                       required delivery date; radiological dispersal device (FM 3‑21.10)

RDF                                                                        radio direction finder(ing)

RDP                                                                        ration distributing point

RDPC                                                                     radar data‑processing center

RDRD                                                                     return fire, deploy, report, and develop the situation (FM 3‑90.6)

rds                                                                         rounds (use abbreviations only in graphics, FM 3‑22.14 (ARTEP 7‑94‑MTP)

RDTE                                                                     research, development, test, and evaluation

RDTS                                                                    Range Digital Transmission System

RE                                                                           research engineering

REA                                                                        reentry angle

reachback                                  (DOD) The process of obtaining products, services, and applications, or forces, or equipment, or material from organizations that are not forward deployed (Army/Marine Corps) The ability to exploit resources, capabilities, expertise, and so on., not physically located in the theater or a joint operations area, when established (FM 1‑02)

reactivity                                   One of the four possible characteristics of hazardous waste. It is the ability to enter into a violent chemical reaction, which may involve explosions or fumes, also hazardous waste (FM 3‑100.4)

read back                                   A procedure word meaning, "Repeat this entire transmission back to me exactly as received." (FM 24‑19)

READJP                                                                readjustment pay

read‑only memory                        a usually small computer memory that contains special‑purpose information, such as operating system software, which must not and cannot be altered (FM 3‑22.91)

real time                                     (DOD) Pertaining to the timeliness of data or information which has been delayed only by the time required for electronic communication. This implies that there are no noticeable delays, also near real time (FM 3‑13)

REAMS                                                                 Resource Evaluation and Management System

rear area                                    (DOD) For any particular command, the area extending forward from its rear boundary to the rear of the area assigned to the next lower level of command. This area is provided primarily for the performance of support functions. [Note: the Army definition adds, "… and is where the majority of the echelon's sustaining functions occur."] See also brigade support area; division support area (FM 3‑0)

rear area operations center/rear tactical operations center      (DOD) A command and control facility that serves as an area and/or subarea commander's planning, coordinating, monitoring, advising, and directing agency for area security operations. Also called RAOC (FM 3‑90, FM 1‑02)

rear area response forces              Forces responsible for rear area threats beyond the capability of base defenses, also security operations (FM 3‑90)

rear area threat levels                  Levels of response to threat activities. a. Level I—Threats that can be defeated by base or base cluster self‑defense measures. b. Level II—Threats that are beyond base or base cluster self‑defense capabilities but can be defeated by response forces, normally military police, with supporting fires. c. Level III—Threats that necessitate the command decision to commit a combined arms tactical combat force to defeat them (FM 3‑90)

rear boundary                              Line that defines the rear area of operations assigned to a particular unit. The area behind the rear boundary belongs to the next higher commander and positioning of elements behind it must be coordinated with that commander, also boundary (FM 3‑90; see Table 7‑7 for symbol)

rear command post                       The rear echelon of a unit's headquarters, consisting of those staff activities concerned primarily with combat service support of the force, administrative support of the headquarters, and other activities not immediately concerned with decisive operations or operations within the close area. Typical representatives within the rear echelon are elements of the G‑1 and G‑4 sections, G‑5, adjutant general, staff judge advocate, inspector general, surgeon, provost marshal, supporting military intelligence elements concerned with counterintelligence and prisoner of war interrogation activities, and the tactical airlift representative of the tactical air control party, also command post. (See Table 5‑8 for symbol)

rear guard                                  (DOD) 1. The rearmost elements of an advancing or a withdrawing force. It has the following functions: to protect the rear of a column from hostile forces; during the withdrawal, to delay the enemy; during the advance, to keep supply routes open. 2. Security detachment that a moving ground force details to the rear to keep it informed and covered, also guard; security operations (FM 3‑90)

REARM                                                                 Army program for renovation of armament manufacturing

rearm, refuel, and resupply point     A designated point through which a unit passes where it receives fuel, ammunition, and other necessary supplies to continue operations. Also called R3P (FM 6‑20‑30; see Table 7‑17 for symbol)

rearming                                     (DOD) 1. An operation that replenishes the prescribed stores of ammunition, bombs, and other armament items for an aircraft, naval ship, tank, or armored vehicle (including replacement of defective ordnance equipment) in order to make it ready for combat service. 2. Resetting the fuze on a bomb, or on an artillery, mortar, or rocket projectile, so that it will detonate at the desired time (FM 3‑34)

rearward passage of lines              When a unit passes through another unit's position while moving away from the enemy (FM 3‑90)

REBS                                         rapidly emplaced bridge system (FM 1‑02)

rebuild                                       (DOD) The restoration of an item to a standard as nearly as possible to its original condition in appearance, performance, and life expectancy (FM 4‑0)

rec                                                                         recovery (use abbreviations only in graphics, FM 3‑90.6)

REC                                                                        radio electronic combat (ARTEP 7‑30‑MTP (FM 7‑1)

recap                                                                    recapitulation; summary (use abbreviations only in graphics)

RECBAD                                                               U.S. Army recruiter badge

reception                                    (DOD) 1. All ground arrangements connected with the delivery and disposition of air or sea drops. Includes selection and preparation of site, signals for warning and approach, facilitation of secure departure of agents, speedy collection of delivered articles, and their prompt removal to storage places having maximum security. When a group is involved, it may be called a reception committee (FM 100‑17‑3). 2. Arrangements to welcome and provide secure quarters or transportation for defectors, escapees, evaders, or incoming agents. 3. The process of receiving, offloading, marshalling, and transporting of personnel, equipment, and materiel from the strategic and/or intratheater deployment phase to a sea, air, or surface transportation point of debarkation to the marshalling area (FM 100‑17‑3)

receptivity                                  (NATO) The vulnerability of a target audience to particular psychological operations media (FM 3‑05.20)

reclamation                                 Regeneration or processing of a material to recover a usable product. Examples include the recovery of lead from spent batteries and the regeneration of spent solvents (FM 3‑100.4)

recncln                                                                reconciliation (use abbreviations only in graphics)

recon                                         reconnaissance (use abbreviations only in graphics, FM 1‑02)

RECONDO                                                           reconnaissance commando doughboy

reconnaissance                            (DOD, NATO) A mission undertaken to obtain, by visual observation or other detection methods, information about the activities and resources of an enemy or potential enemy, or to secure data concerning the meteorological, hydrographic, or geographic characteristics of a particular area (FM 3‑0). Usually just called recon.) (See Table 5‑3 for symbol)

reconnaissance by fire                  (DOD, NATO) A method of reconnaissance in which fire is placed on a suspected enemy position to cause the enemy to disclose a presence by movement or return of fire, FM 3‑90)

reconnaissance handover              The action that occurs between two elements in order to coordinate the transfer of information and/or responsibility for observation of potential threat contact, or the transfer of an assigned area from one element to another (FM 3‑20.96)

reconnaissance handover line         A designated phase line on the ground where reconnaissance responsibility transitions from one element to another (FM 3‑20.96)

reconnaissance in force                 (DOD, NATO) An offensive operation designed to discover and/or test the enemy's strength or to obtain other information (Army) A deliberate combat operation designed to discover or test the enemy's strength, dispositions, and reactions or to obtain other information (FM 3‑90)

reconnaissance pull                      Reconnaissance that determines which routes are suitable for maneuver, where the enemy is strong and weak, and where gaps exist, thus pulling the main body toward and along the path of least resistance. This facilitates the commander's initiative and agility (FM 3‑20.96)

reconnaissance push                    Reconnaissance that refines the common operational picture, enabling the commander to finalize the plan and support shaping and decisive operations. It is normally used once the commander is committed to a scheme of maneuver or course of action (FM 3‑20.96)

reconstitution                              Extraordinary actions that commanders plan and implement to restore units to a desired level of combat effectiveness commensurate with mission requirements and available resources (FM 100‑9)

reconstitution site                        (DOD) A location selected by the surviving command authority as the site at which a damaged or destroyed headquarters can be reformed from survivors of the attack and/or personnel from other sources, predesignated as replacements. [Note: the Army term is "regeneration site."] (FM 100‑9)

record as target                          (NATO) In artillery and naval fire support, the order used to denote that the target is to be recorded for future engagement or reference. [Note: the Army definition also applies to mortar fire.] (FM 6‑30)

recorded                                    (NATO) In artillery and naval fire support, the response used to indicate that the action to "record to target" has been completed (FM 6‑30)

recovered materials                      Waste materials and by‑products that have been recovered or diverted from solid waste; does not include those materials and by‑products generated from, and commonly reused within, an original manufacturing process (FM 3‑100.4)

recovery site                               (DOD) In evasion and escape usage, an area from which an evader or an escapee can be evacuated, also evasion and escape (FM 3‑04.111)

RECSTA                                                               receiving station (not "reception station")

recuperability                                                  (noun, Third New International Dictionary, Unabridged)

recy                                                                      recovery (use abbreviations only in graphics, FM 7‑0)

RED                                           rapid excess disposal; risk estimate distance (FM 3‑21.10)

red light**                                  Time when search and rescue (SAR) aircraft is no longer SAR capable)

REDCON                                     readiness condition (FM 3‑21.10)

redeployment                              (DOD) The transfer of forces and materiel to support another joint force commander's operational requirements, or to return personnel, equipment, and materiel to the home and/or demobilization stations for reintegrating and/or out‑processing, FM 100‑17)

Redeye                                      (not 'REDEYE')

reduce                                       1. A tactical mission task that involves the destruction of an encircled or bypassed enemy force (FM 3‑90) 2. One of the five breaching fundamentals. The creation of a lane through, over, or around an obstacle. In the case of minefields, refers to destroying, neutralizing, removing, or bypassing mines (FM 3‑34.2) See also assault; obscure; secure; suppress (FM 1‑02)

reenl                                                                     reenlist (use abbreviations only in graphics)

REENLA                                                                reenlistment allowance

REENLB                                                                reenlistment bonus

reentry                                                                (noun, MW9)

ref                                                                          refer; refresher; reference; referred (use abbreviations only in graphics)

REF                                           rapid equipping force

reference (direction)                     Directive to assume stated heading)

reference box                              (NATO) The identification box placed in the margin of a map or chart which contains the series designation, sheet number and edition number in a readily identifiable form (FM 3‑25.26)

REFORGER                                                          return of force to Germany

REFRAD                                                               release from active duty

REFRADT                                                            released from active duty for training

REFRAT                                                               released from annual training

refuel on the move point               An area established to ensure that fuel tanks on combat and fuel‑servicing vehicles are full before they arrive in the unit's tactical assembly area. Also called ROM point (FM 71‑123; see Table 7‑17 for symbol)

refugee                                      (DOD) A person who, by reason of real or imagined danger, has left their home country or country of their nationality and is unwilling or unable to return, also dislocated civilian; displaced person (FM 3‑07, see Table 9‑3 for symbol)

reg                                                                         regular; regulate; regulated; regulating; regulation (use abbreviations only in graphics)

regeneration                               Rebuilding of a unit through large‑scale replacement of personnel, equipment, and supplies, including the reestablishment or replacement of essential command and control and the conduct of mission essential training for the newly rebuilt unit (FM 100‑9)

regeneration site                          See reconstitution site (FM 1‑02)

regimental landing team                 (DOD) A task organization for landing comprised of an infantry regiment reinforced by those elements that are required for initiation of its combat function ashore (FM 1‑02)

registration fire                            (DOD, NATO) Fire delivered to obtain accurate data for subsequent effective engagement of targets, also fire (FM 6‑20‑40)

registration point                         (DOD, NATO) Terrain feature or other designated point on which fire is adjusted for the purpose of obtaining corrections to firing data (FM 6‑20‑40)

REGLOS                                                               reserve and guard logistic operations‑streamline

regt                                           regiment (FM 1‑02)

regulated item                             (DOD, NATO) Any item whose issuance to a user is subject to control by an appropriate authority for reasons that may include cost, scarcity, technical or hazardous nature, or operational significance. Also called controlled item (FM 4‑0)

rehab                                                                    rehabilitate/ion (use abbreviations only in graphics)

rehearsal                                    A session in which a staff or unit practices expected actions to improve performance in execution (FM 6‑0)

rehearsal phase                           (DOD) In amphibious operations, the period during which the prospective operation is practiced for the purpose of: (1) testing adequacy of plans, the timing of detailed operations, and the combat readiness of participating forces; (2) ensuring that all echelons are familiar with the plans; and (3) testing communications information systems, also amphibious operation (FM 1‑02)

reinforcing                                  (DOD) A support mission in which the supporting unit assists the supported unit's mission. Only like units (for example, artillery to artillery, intelligence to intelligence, armor to armor, and so on.) can be given a reinforcing/reinforced mission. [Note: the Army designates this as a support relationship.] See FM 5-0 (NATO) In artillery usage, tactical mission in which one artillery unit augments the fire of another artillery unit, FM 6‑20, also direct support; general support‑reinforcing (FM 1‑02)

reinforcing obstacles                     (DOD) Those obstacles specifically constructed, emplaced, or detonated through military effort and designed to strengthen existing terrain to disrupt, fix, turn, or block enemy movement, also obstacle, FM 90‑7)

rel                                                                           relation; relative; release; released; relief; relieve; relieved (use abbreviations only in graphics)

relateral tell                                (DOD, NATO) The relay of information between facilities through a third facility. This type of telling is appropriate between automated facilities in a degraded communication environment, also track telling (FM 1‑02)

relay to                                      A procedure word meaning, "Transmit this message to all addressees (or addressees immediately following this proword)" The address component is mandatory when this proword is used, also procedure word (FM 24‑19)

release line                                 Phase line used in river crossing operations that delineates a change in the headquarters controlling movement. Also called RL (FM 90‑13; see Table 7‑11 for symbol)

release point (road)                      (DOD) A well‑defined point on a route at which the elements composing a column return under the authority of their respective commanders, each one of these elements continuing its movement toward its own appropriate destination (Army) A location on a route where marching elements are released from centralized control. Also called RP, also lane; march column; march serial; march unit; route; start point (FM 3‑90; see Table 7‑13 for symbol)

relevant information                      All information of importance to commanders and staffs in the exercise of command and control (FM 3‑0)

relief in place                              (DOD, NATO) An operation in which, by direction of higher authority, all or part of a unit is replaced in an area by the incoming unit. The responsibilities of the replaced elements for the mission and the assigned zone of operations are transferred to the incoming unit. The incoming unit continues the operation as ordered. Also called RIP (FM 3‑90. (See Table A‑1 for symbol)

religious ministry support               (DOD) The entire spectrum of professional duties to include providing for or facilitating essential religious needs and practices; pastoral care; family support programs; religious education; volunteer and community activities; and programs performed to enhance morale and moral, ethical, and personal well‑being. Enlisted religious support personnel assist the chaplain in providing religious ministry support (FM 1‑05)

REM                                                                       roentgen equivalent man (mammal)

REMAB                                                                 remote marshaling base (FM 3‑21.20, FM 3‑90.6, FM 90‑26)

REMBASS                                                           remotely monitored battlefield sensor system

remote control                             In barrier operations, the ability of a user to actuate a charge or change of state of a mine from a distance. For a mine, remote control is divided into: a. Remote Control Level 1—Ability to react to a received remote control stimulus to change from standby state to armed. b. Remote Control Level 2—As Level I, and the added ability to react to a received remote control stimulus to return from armed standby state. c. Remote Interrogation Capability—The ability of a mine to respond to a remote interrogation on its state, either armed or standby. This capability may be superimposed in either Level I or Level 2, and may be indicated by the suffix (I; FM 20‑32)

remote delivery                            (DOD) In mine warfare, the delivery of mines to a target area by any means other than direct emplacement. The exact position of mines so laid may not be known (FM 20‑32)

REMS                                         remotely employed sensor (FM 1‑02)

REMT                                                                    radiological emergency medical teams

rendezvous                                 (NATO) 1. A pre‑arranged meeting at a given time and location from which to begin an action or phase of an operation or to which to return after an operation. 2. In land warfare, an easily found terrain location at which visitors to units, headquarters, or facilities are met by personnel from the element to be visited (FM 1‑02)

RENO                                         [NATO] (A/A) Indicates that more than one radar contact is observed and the pilot is able to distinguish his assigned target)

RENT                                         (EW) Report of characteristics of an intercepted signal)

reorg                                                                     reorganize (use abbreviations only in graphics, FM 7‑1, ARTEP 7‑91‑MTP)

reorganization                             Action taken to shift internal resources within a degraded unit to increase its level of combat effectiveness (FM 100‑9)

rep                                                                         report (ARTEP 7‑91-MTP); repair; represent; representative; represented (use abbreviations only in graphics)

REP                                                                        Resource Enhancement Program

REPCAT                                                               report corrective action taken

REPDU                                                                  report(ing) for duty

repeat                                       (NATO) In artillery and naval fire support, an order or request to fire again the same number of rounds with the same method of fire. [Note: the Army definition also applies to mortar fire.] (FM 6‑30)

REPEAT**                                  1.   (S/S) Directive call (during adjustment) to fire again using the same firing data.
2.   (S/S) Directive call (during fire for effect) to fire the same number of rounds using the same method of fire for effect)

REPIN                                                                   reply if negative

repl                                                                        replacement (FM 3‑21.20 (use abbreviations only in graphics)

REPORTED (information)**             Information provided is derived from an off‑board source)

REPR                                                                     real estate planning report

REPROM                                     reprogrammable microprocessor

reps                                                                       repetitions (use abbreviations only in graphics, FM 3‑21.220)

REPSHIPS                                                           reports of shipments

rept                                                                       report (use abbreviations only in graphics)

req                                                                         request; required (FM 3‑21.20, FM 90‑26 (use abbreviations only in graphics)

REQAFA                                                               request advise as to further action

REQANS                                                              request answer by (date)

REQAURQN                                                        request authority to requisition

REQDI                                                                   request disposition instructions

REQFOLINFO                                                    request following information be forwarded this office

REQIBO                                                                request item be placed on back order

reqmt                                                                   requirement (use abbreviations only in graphics, FM 7‑1)

REQSI                                                                   request shipping instructions

REQSSD                                                              request supply status and expected delivery date

REQSUPSTAFOL                                             request supply status of following

REQTAT                                                              it is requested that

REQTRAC                                                            request tracer be initiated

REQUCHRD                                                         request unit of issue be changed to read

required supply rate (ammunition)   (DOD) The amount of ammunition expressed in terms of rounds per weapon per day for ammunition items fired by weapons (and in terms of other units of measure per day for bulk allotment and other items) estimated to be required to sustain operations of any designated force without restriction for a specified period. Tactical commanders use this rate to state their requirements for ammunition to support planned tactical operations at specified intervals. The required supply rate is submitted through command channels. It is consolidated at each echelon and is considered by each commander in subsequently determining the controlled supply rate within the command. Also called RSR, also controlled supply rate (FM 4‑0)

requirements management             In intelligence, the development, integration, and management of the intelligence, surveillance, and reconnaissance plan, which sets out how the information needed to meet priority intelligence requirements (PIR) and information requirements is to be collected and how and where it is to be processed into intelligence to answer PIR (FM 34‑2)

requisition                                                          a request for the issue of one named publication submitted on DA Form 4569)

rerouted figure 8 knot                   anchor knot that also attaches a climber to a climbing rope

res                                                                         reserve(s); resuscitation (FM 7‑1 (25‑101); use abbreviations only in graphics)

RES                                           radiation exposure status (FM 1‑02)

RESCAP                                                               Rescue Combat Air Patrol

RESDAT                                                               RESTRICTED DATA, Atomic Energy Act of 1954 and AR 310‑50)

reserve                                      (DOD) 1. Portion of a body of troops which is kept to the rear or withheld from action at the beginning of an engagement, in order to be available for a decisive movement (FM 3‑90). 2. Members of the Military Services who are not in active service but who are subject to call to active duty. 3. Portion of an appropriation or contract authorization held or set aside for future operations or contingencies and, in respect to which, administrative authorization to incur commitments or obligations has been withheld (FM 1‑02)

reserved demolition target             (DOD, NATO) A target for demolition, the destruction of which must be controlled at a specific level of command because it plays a vital part in the tactical, operational, [Note: the NATO definition does not include "operational"] or strategic plan, or because of the importance of the structure itself, or because the demolition may be executed in the face of the enemy, also demolition target; reserved obstacles (FM 90‑7)

reserved obstacles                       (DOD) Those demolition obstacles that are deemed critical to the plan for which the authority to detonate is reserved by the designating commander (Army) Obstacles of any type, for which the commander restricts execution authority, also obstacle (FM 90‑7)

reserved route                             (DOD, NATO) In road traffic, a specific route allocated exclusively to an authority or formation, also route (FM 4‑01.30)

reset                                         Proceed to a pre‑briefed position or area of operations)

residual radiation                          (DOD) Nuclear radiation caused by fallout, artificial dispersion of radioactive material, or irradiation which results from a nuclear explosion and persists longer than one minute after burst, also contamination; induced radiation; initial radiation (FM 3‑3‑1)

residual radioactivity                     (DOD) Nuclear radiation that results from radioactive sources and persists for longer than one minute. Sources of residual radioactivity created by nuclear explosions include fission fragments and radioactive matter created primarily by neutron activation, but may also be created by gamma and other radiation activation. Other possible sources of residual radioactivity include radioactive material created and dispersed by means other than nuclear explosion, also contamination; induced radiation; initial nuclear effects (FM 3‑3‑1)

residual risk                                 The level of risk remaining after controls have been identified and selected for hazards that may result in loss of combat power. Controls are identified and selected until residual risk is at an acceptable level or until it cannot be practically reduced further (FM 100‑14)

RESPO                                                                  responsible property officer

response force                            (DOD) A mobile force with appropriate fire support designated, usually by the area commander, to deal with Level II threats in the rear area. Also called RF (FM 1‑02)

RESTA                                                                  reconnaissance, surveillance and target acquisition

restake**                                   Request for Joint STARS to drive a new STAKE at the target centroid reported with direction of travel and elevation. Initiated by aircrew)

RESTAT                                                               Reserve Components Status Reporting

restoration                                  The systematic removal of pollution or contaminants from the environment, especially from the soil or ground water, by physical, chemical, or biological means. Also known as remediation or environmental cleanup (FM 3‑100.4)

restraint                                     (Marine Corps) Something which is prohibited that limits freedom of action, also constraint (FM 1‑02)

restricted operations area              (DOD, NATO) Airspace of defined dimensions, designated by the airspace control authority, in response to specific operational situations/requirements within which the operation of one or more airspace users is restricted. Also called ROA; restricted operations zone (ROZ) (FM 3‑52)

restricted operations zone             See restricted operations area. (See Table 7‑8 for symbol)

restrictive fire area                       (DOD) An area in which specific restrictions are imposed and into which fires that exceed those restrictions will not be delivered without coordination with the establishing headquarters (FM 6‑20‑40 In Marine Corps usage, the purpose of the restrictive fire area is to regulate fires into an area according to the stated restrictions. Also called RFA, also fires. (See Table 7‑12 for symbol)

restrictive fire line                        (DOD) A line established between converging friendly surface forces that prohibits fires or their effects across that line (FM 6‑20‑40 In Marine Corps usage, the purpose of the restrictive fire line is to prevent interference between converging friendly forces without coordination with the affected force(s) Also called RFL, also fires. (See Table 7‑12 for symbol)

resume                                       Resume last formation/route/mission ordered)

resupply                                     (DOD, NATO) The act of replenishing stocks in order to maintain required levels of supply (FM 4‑0)

ret                                                                          retire (use abbreviations only in graphics)

retain                                        (DOD) 1. When used in the context of deliberate planning, the directed command will keep the referenced operation plan, operation plan in concept format, and any associated joint operation planning system of Joint Operation Planning and Execution System automated data processing files in an inactive library status. The plan and its associated files will not be maintained unless directed by follow‑on guidance. 2. A tactical task to occupy and hold a terrain feature to ensure that it is free of enemy occupation or use (Army) A tactical mission task in which the commander ensures that a terrain feature already controlled by a friendly force remains free of enemy occupation or use (FM 3‑90; see Table A‑1 for symbol)

RETC                                                                     Regional Emergency Transportation Center

RETCO                                                                 Regional Emergency Transportation Coordinator

retirement                                  (DOD, NATO) An operation in which a force out of contact moves away from the enemy. [Note: the Army classifies retirement as "a form of retrograde."] (FM 3‑0, see Table A‑1 for symbol)

retrans                                       retransmission (FM 1‑02)

retro                                                                     retrograde (use abbreviations only in graphics, ARTEP 7‑10‑MTP)

retrofit                                                                 (noun, trans verb, MW9)

retrograde                                  A type of defensive operation that involves organized movement away from the enemy (FM 3‑0); also, directive/informative call to withdraw in response to a threat, continue mission as able; may RESET/RESUME if threat is negated)

retroreflector                                                   (noun, Merriam‑Webster online 2002) A device that reflects radiation (as light) so that the paths of the rays are parallel to those of the incident rays)

RETS                                                                     remoted target system (FM 3‑22.31)

REVA                                                                     recommended vehicle adjustment

reverse slope                              Any slope which descends away from the enemy (FM 3‑90)

rexmit                                                                   retransmitted (use abbreviations only in graphics)

RF                                             radio frequency; response force (FM 1‑02); replacement factor

RFA                                           restrictive fire area (FM 1‑02); relieved from assigned, Reserve Forces Act, request for assistance

RFAA                                                                     relieved from attached and assigned

RFAT                                                                     relieved from attached

RFATHREE                                                          Reserve Forces Act of 1955, three‑month's trainee

RFD                                                                        reserve forces duty

RFI                                            request for information (FM 1‑02); radio frequency interference, ready for issue; rapid fielding initiative

RFID                                          radio frequency identification (FM 1‑02)

RFL                                           restrictive fire line (FM 1‑02)

RFLM                                         rifleman? (pg 6‑3)

rflmn                                                                     rifleman (use abbreviations in graphics only)

RFNA                                                                     red fuming nitric acid

RFP                                                                        request for proposal

RFQ                                                                       request for quotation

RFS                                                                        ready for sea

RFTS                                                                     radio frequency test set

RG                                                                          readiness group, reserve grade

rgr                                                                          Ranger (use abbreviations in graphics only, FM 1‑02)

RGRT                                                                     Ranger tab

RGZ                                                                       recommended ground zero

RH                                                                          right hand (FM 3‑22.27)

RHA                                                                       records holding area; rolled homogeneous armor (FM 3‑21.20)

RHB                                           Ranger Handbook

rhd                                                                         railhead (use abbreviations in graphics only)

RHU                                           retrain hold unit

RI                                             relevant information (FM 1‑02); radiation intensity

RIA                                                                         Rock Island Arsenal

RIBS                                                                      Restructured Infantry Battalion System

RIC                                                                         regional intelligence center (FM 7‑98); routing identifier code

RICC                                                                      reportable item control code

RIDER                                        A BOGEY that is conforming to safe passage routing, airspeed, or altitude procedures)

ridgeline                                                              (noun, MW10)

RIF                                                                         reconnaissance in force (FM 3‑21.20, FM 7‑98); reduction in force

rifle                                           (A/S) Friendly air‑to‑surface launch

RII                                            request for intelligence information (FM 3‑55.93)

RILS                                                                      Rapid Integrated Logistic Support System

RIM                                                                        receipt, inspection, and maintenance

RIMOB                                                                  reserve indication of mobilization

RIN                                                                         report identification number

ring‑mounted                                                   mounted on a ring around a hatch on a wheeled or tracked vehicle. Also—
Carrier‑mounted: mounted on a nonmotorized conveyance, tracked or wheeled.
Track‑mounted: mounted on a tracked conveyance, motorized or not
Vehicle‑mounted: mounted on a motorized conveyance, tracked or wheeled

riot‑control agent                        (DOD) Any chemical that is not listed in the Chemical Weapons Convention which can produce rapidly in humans sensory irritate or disabling physical effects which disappear within a short time following termination of exposure (NATO) A chemical that is not listed in the schedule of the 1993 Chemical Weapons Convention, which can rapidly produce irritant or disabling physical effects that disappear shortly after termination of exposure (Army) A substance that produces temporary irritating or disabling physical effects that disappear within minutes of removal from exposure. There is no significant risk of permanent injury, and medical treatment is rarely required. Also called RCA, also chemical warfare (FM 3‑11.4)

RIP                                            relief in place (FM 1‑02); Ranger Indoctrination Program (FM 3‑90.6)

RIPPLE                                       (A/S) Two or more munitions released or fired in close succession)

RISE                                                                      reliability improvement selected equipment

risk                                            (DOD) Probability and severity of loss linked to hazards, also degree of risk; hazard; risk management (FM 100‑14)

risk assessment                           (DOD) The identification and assessment of hazards (first two steps of risk management process, FM 100‑14)

risk assessment matrix                  A tool that can be used to determine levels of risk. Leaders and staffs enter the estimated degree of severity and probability for each identified hazard from the severity row and probability column respectively, also hazard; levels of risk; probability; severity (FM 100‑14)

risk decision                                The decision to accept or not accept the risk(s) associated with an action; made by the commander, leader, or individual responsible for performing that action (FM 100‑14)

risk management                          (DOD) The process of identifying, [Note: the Marine Corps definition replaces "identifying" with "detecting"] assessing, and controlling risk arising from operational factors, and making informed decisions that balance risk cost with mission benefits. [Note: the Marine Corps definition adds "The five steps of risk management are identify the hazards, assess the hazards, develop controls and make risk decision, implement controls, and supervise and evaluate."] (FM 100‑14). Also called RM, also hazard; residual risk; risk; risk assessment; risk decision (FM 1‑02)

RISOP                                                                   red integrated strategic offensive plan

RISTA                                                                   reconnaissance, intelligence, surveillance, and target acquisition (FM 3‑90.6)

RIT                                                                         rifle infantry table (FM 3‑22.1)

river crossing                              An operation required before ground combat power can be projected and sustained across a water obstacle. It is a centrally planned and controlled offensive operation that requires the allocation of external crossing means and a force dedicated to the security of the bridgehead, also deliberate crossing; hasty crossing (FM 90‑13)

river line                                                             (noun)

riverbank                                                            (noun, MW9)

riverine area                                (DOD) An inland or coastal area comprising both land and water, characterized by limited land lines of communication, with extensive water surface and/or inland waterways that provide natural routes for surface transportation and communications (FM 55‑50)

riverine operations                        (DOD) Operations conducted by forces organized to cope with and exploit the unique characteristics of a riverine area, to locate and destroy hostile forces, and/or to achieve or maintain control of the riverine area. Joint riverine operations combine land, naval, and air operations, as appropriate, and are suited to the nature of the specific riverine area in which operations are to be conducted (FM 55‑50)

RJE                                                                         remote job entry

RJO                                                                        remote job output

rkt                                                                          rocket

RL                                             release line (FM 1‑02); rocket launcher

r‑l                                                                           right to left

RLT                                                                        regimental landing team; relating to; rolling liquid transporter

RM                                            risk management (FM 1‑02)

RMA                                                                       Rocky Mountain Arsenal

RMC                                                                       return to military control; Regular Military Compensation

RMIS                                                                     Readiness Management Information System

RMMC                                                                   regiment materiel management center

RMO                                                                      records management official

RMOC                                                                   recommended maintenance operation chart

RMP                                                                       Reentry Measurement Program; reprogrammable microprocessor (FM 3‑22.1 See also REPROM)

RMR                                                                       regional maintenance representative

RMS                                                                       resource management system

rmt                                                                         remote (use abbreviations in graphics only, FM 3‑90.6)

RMTR                                                                    redesigned missile tracking radar

RMV                                                                       reentry measurement vehicle

RNA                                                                       rations not available

rnds cmplt                                  rounds complete (FM 3‑22.91)

RNS                                                                       radar netting station

RNU                                                                       radar netting unit

RO                                                                          reporting officer; requisitioning objective; route order

RO/RO                                                                  roll on/roll off

ROA                                           restricted operations area (FM 1‑02)

ROAD                                                                    reorganization objective army divisions

road block                                  (DOD, NATO) A barrier or obstacle (usually covered by fire) used to block or limit the movement of hostile vehicles along a route (FM 90‑7, see Table 7‑14 for symbol)

road clearance time                      (DOD, NATO) The total time a column requires to travel over and clear a section of the road (FM 4‑01.30)

road march                                                       (noun)

ROAR                                                                    return of Army reparable

ROBCO                                                                 readiness objective code

ROC                                                                       required operational capability; rules of confrontation (FM 3‑21.20)

ROCID                                                                  Reorganization of Combat Infantry Division

RODAC                                                                 Reorganization Objectives Army Division, Army, and Corps

ROE                                           rules of engagement (FM 1‑02); roster of exception

roger                                         A procedure word meaning "I have received your last transmission satisfactorily." (FM 24‑19); Indicates the receipt of radio transmission; does not indicate compliance or reaction)

ROI                                                                        Report of Investigation; rules of interaction (FM 3‑90.1)

ROIC                                                                     resident officer in charge

ROICC                                                                  resident officer in charge of construction

ROID                                                                     report of item discrepancy

ROK                                                                       Republic of Korea

ROKA                                                                    Republic of Korea Army

ROKPUC                                                               Republic of Korea Presidential Unit Citation Badge

rolex (+/‑ time)                           Time line adjustment in minutes always referenced from original preplanned mission execution time. PLUS means later; MINUS means earlier)

ROM                                          refuel‑on‑the‑move (FM 1‑02); rough order magnitude

RON                                                                       remain overnight

rooftop                                                                (noun, MW9)

ROP                                                                       Republic of Panama; reorder point

ROPA                                                                    Reserve Officer Personnel Act

ROPE                                         radar data processing equipment; circling an IR pointer around an aircraft to help the aircraft identify the friendly ground position)

ROR                                                                       range only radar

ROS                                                                       reduced operational status; return from overseas

ROTA                                         releases other than attack (related nuclear, biological, and chemical, FM 1‑02)

rotator**                                   Joint STARS Moving Target Indicator (MTI) return that signifies a high probability of a rotating antenna)

ROTC                                                                    Reserve Officers Training Corps

ROTCM                                                                Reserve Officers' Training Corps Manual

ROTCR                                                                 Reserve Officers' Training Corps Region

rounds complete                          (NATO) In artillery and naval fire support, the procedural term used to indicate that the number of rounds ordered at "fire for effect" have been fired. [Note: the Army definition also applies to mortar fire.] See also shot (FM 6‑20‑40)

round‑turn with two half hitches     a constant tension anchor knot

route                                         (DOD, NATO) The prescribed course to be traveled from a specific point of origin to a specific destination, also lateral route; reserved route (FM 4‑01.30)

route capacity                             (DOD, NATO) 1. The maximum traffic flow of vehicles in one direction at the most restricted point on the route. 2. The maximum number of metric tons which can be moved in one direction over a particular route in one hour. It is the product of the maximum traffic flow and the average payload of the vehicles using the route (FM 4‑01.30)

route classification                       (DOD, NATO) Classification assigned to a route using factors of minimum width and worst route type, least bridge, raft, or culvert military load classification, and obstructions to traffic flow, also military load classification (FM 3‑34)

route reconnaissance                    (Army/Marine Corps) A directed effort to obtain detailed information of a specified route and all terrain from which the enemy could influence movement along that route (FM 3‑90)

route security operations               A specialized kind of area security operations conducted to protect lines of communication and friendly forces moving along them (FM 3‑90)

ROUTEREP                                                         route (reconnaissance) report (FM 3‑90.1)

routine                                       A procedure word meaning, "Precedence routine." Reserved for all types of messages that are not of sufficient urgency to justify a higher precedence, but must be delivered to the addressee without delay, also procedure word (FM 24‑19)

routing indicator                                            see Address routing indicator)

ROZ                                           restricted operations zone (FM 1‑02)

RP                                             rally point; reference point; release point (FM 1‑02); red phosphorus; registration point (FM 3‑22.91); retained person (FM 3‑90.61)

RPA                                                                        Reserve Personnel, Army; request for personnel action

RPB                                           regional PSYOP battalion (FM 1‑02); Regional Preparedness Board

RPBG                                                                     revised program and budget guidance

RPC                                                                        Regional Preparedness Committee; reporting to commander

RPDA                                         ruggedized personal digital assistant (FM 3‑22.91)

RPEP                                                                     Register of Planned Emergency Procedures

RPF                                                                        real property facilities

RPG                                                                        rocket‑propelled grenade

RPI                                                                         real property inventory

RPIO                                                                      registered publication issuing office

RPK                                                                        a 5.45 light machine gun (the RPK‑74) and a 7.62‑mm light machine gun (the RPK)

RPL                                                                        repair parts list

RPM                                                                       revolutions per minute

RPMA                                                                    real property maintenance activities

RPMF                                                                    reserve personnel master file

RPMIO                                                                  registered publication mobile issuing office

RPOL                                         rearward passage of lines (FM 1‑02)

RPP                                                                        regional priority program; requisition processing point

RPROP                                                                  receiving proficiency pay

RPSCTDY                                                            return to proper station upon completion of TDY

RPSTL                                                                  repair parts and special tools list

rpt                                                                          report (use abbreviations in graphics only, ARTEP 7‑92‑MTP)

RPV                                           remotely piloted vehicle (FM 1‑02)

RPVTS                                                                  Remotely Piloted Vehicle‑Target System (FM 3‑22.1)

rqmts                                                                    requirements (use abbreviations in graphics only)

rqn                                                                         requisition (use abbreviations in graphics only)

rqr                                                                          required (use abbreviations in graphics only, ARTEP 7‑92‑MTP)

RQS                                                                       ready qualified for stand‑by

RR                                                                           retro‑rocket

RR/EO                                                                   race relations/equal opportunity

RRAC                                                                     regional resources advisory committee

RRAD                                                                     Red River Army Depot

RRB                                                                        regular reenlistment bonus

RRF                                                                        rapid reaction force

RRIS                                                                      remote radar integration station

RRMRP                                                                  Ready Reserve Mobilization Reinforcement Pool

RRP                                                                        reentry rally point (FM 3‑21.8, FM 7‑92); re‑entry rally point; replacement receiving point (FM 3‑90.2)

RRPC                                                                     Reserve Reinforcement Processing Center

RRR                                           rapid runway repair (FM 1‑02)

RRSTRAF                                                            Ready Reserve Strategic Army Forces

RRU                                                                        radio research unit

RS                                             radiation status; religious support (FM 1‑02); regulating station; report of survey; road space; roll stabilization; reconnaissance squadron (FM 3‑90.61)

RSA                                                                       Redstone Arsenal

RSAG                                                                    reserve storage activity, Germersheim

RSAK                                                                     reserve storage activity, Kaiserslautern

RSAL                                                                     reserve storage activity, Luxembourg

RSC                                                                       record status code

RSFPP                                                                  retired serviceman's family protection plan

RSI                                                                         reconnaissance, surveillance, and intelligence (FM 3‑90.1); receipt, storage, and issue; record status indicator; replacement stream input; rationalization/standardization/interoperability

RSIUFL                                                                 release suspension for issue and use of following lots

RSL                                                                        reconnaissance and security line (FM 7‑98); remote spring launch (FM 90‑26; remote sprint launch (Isn't this a typo?)

RSLC                                                                     Reconnaissance and Surveillance Leaders Course (RTB, Fort Benning, GA) Formerly LRSLC)

RSNP                                                                     Registered Student Nurse Program

RSO                                                                       range safety officer (FM 3‑22.1); reconnaissance and survey officer

RSO&I                                        reception, staging, onward movement, and integration (FM 1‑02)

RSOP                                                                    readiness standing operating procedures (FM 7‑1); reconnaissance, selection, and occupation of position (FM 3‑22.1, FM 3‑22.90)

RSP                                                                        reconnaissance and security positions; render safe procedure

RSR                                           required supply rate (FM 1‑02)

RSTA                                         reconnaissance, surveillance, and target acquisition (FM 1‑02)

RT                                                                          rough terrain

RTA                                                                       Royal Thai Army

RTAF                                                                     Royal Thai Armed Forces

RTB                                                                        return to base

RTC                                                                       replacement training center; requirements type contract

RTD                                                                       return to duty; returned to duty (FM 3‑90.1)

rte                                            route (use abbreviations in graphics only, FM 1‑02)

RTFT                                                                     round‑trip flying time (FM 90‑26)

RTGT                                                                    ranger terminal guidance team (FM 3‑90.6)

RTL                                                                        Research and Technology Laboratories (AVRADOM)

RTO                                           use this or radio operator in place of RATELO (SIGCEN, USAIS)

RTST                                                                    radio technician selection test

RTTC                                                                    Redstone technical test center  (Army Test and Evaluation Command [TECOM])

RTU                                                                       reinforcement training unit

RU                                                                          release unit

Rules of Engagement                    (ROE, DOD) Directives issued by competent military authority that delineate the circumstances and limitations under which United States forces will initiate and/or continue combat engagement with other forces encountered. Also called ROE, also law of war (FM 3‑07)

rumba                                        1.*  Radar has detected jamming/mutual interference but has not resolved the type.

2.   [NATO] Own ship maneuvering for ranging)

runaway                                                             (noun, adj, MW9)

running estimates                         A staff estimate, continuously updated, based on new information as the operation proceeds (FM 6‑0)

runoff                                                                   (noun, MW9)

RUQ                                                                       rifle unqualified

ruse                                          (DOD) In military deception, a trick of war designed to deceive the adversary, usually involving the deliberate exposure of false information to the adversary's intelligence collection system, also deception (FM 27‑10)

RV                                             radius of vulnerability (FM 1‑02); receive variable (FM 7‑92); reentry vehicle

RVAAP                                                                  Ravenna Army Ammunition Plant

rvlr                                                                         revolver (use abbreviations in graphics only)

RVNAFHMFC                                                     Republic of Vietnam Armed Forces Honor Medal, First Class

RVNAFHMSC                                                     Republic of Vietnam Armed Forces Honor Medal, Second Class

RVNCAMFC                                                        Republic of Vietnam Civil Actions Medal, First Class

RVNCAMSC                                                        Republic of Vietnam Civil Actions Medal, Second Class

RVNCAMUC                                                        Republic of Vietnam Civil Actions Medal, Unit Citation

RVNGCUC                                                           Republic of Vietnam Gallantry Cross Unit Citation

RVR                                                                        runway visual range

rvse                                                                       reverse (use abbreviations in graphics only)

RVT                                           remote video terminal (FM 3‑21.20)

RW                                                                         rotary wing

RWBH                                                                   records will be handcarried

RWI                                                                       radio wire integration

RWNBH                                                                records will not be handcarried

RWR                                          radar warning receiver (FM 1‑02)

RWS                                          remote weapon station

ry                                                                            railway

RYE                                                                        retirement year ending

RYM                                                                       reference your message