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H mustard gas (FM 1‑02); hour designation used in
timelines (FM 3‑90.1) H&S headquarters
and service (FM 1‑02) HA holding
area (FM 1‑02); humanitarian assistance HAARS high altitude airdrop resupply
system HAC House Appropriations Committee HACC humanitarian
assistance coordination center (FM 1‑02) hachuring (NATO)
A method of representing relief upon a map or chart by shading in short
disconnected lines drawn in the direction of the slopes (FM 3‑25.26) HAHO high altitude, high opening
(FM 3‑21.38, FM 3‑21.220, FM 90‑26) HALO high‑altitude
low‑opening (parachute technique, FM 1‑02) halon a
compound of carbon and one or more halogens, especially bromine;
or, a tetrafluoroethylene polymer; both are used in 'clean' fire
extinguishers (FM 3‑21.10) HALP HAMD helicopter ambulance medical
detachment hand off (verb, with object) hand over (noun + adverb) hand station (noun, but not in either
dictionary) hand tight (adj) hand washing (unit modifier) handguard (noun, Third New International
Dictionary, Unabridged) handheld (adj, MWO and Gregg 1065) handline (noun, Third New International Dictionary,
Unabridged) handoff (noun) handover (noun, adj; JCS Pub No. 1) handover line (DOD, NATO) A
control feature, preferably following easily defined terrain features, at
which responsibility for the conduct of combat operations is passed from one force
to another, also battle handover line
(FM 3‑90; see Table 7‑7 for symbol) handshake** Link
16 Air Control NPG initiation between air control unit and controlled
aircraft) handstation handwheel (noun, MWOL'03, circa 1889) hang fire (DOD,
NATO) A malfunction that causes an undesired delay in the functioning of a
firing system. [Note: the NATO definition does not include "A
malfunction that causes"] (Army) Temporary failure or delay in the
action of a primer, an igniter, or a propelling charge (FM 6‑50) hangfire (noun, Third New International
Dictionary, Unabridged; use DOD spelling [two words] instead) harassing fire (DOD,
NATO) Fire designated to disturb the rest of the enemy troops, to curtail
movement, and, by threat of losses, to lower morale, also fire support (FM 6‑20‑40) hard (direction) High‑G,
energy sustaining 180‑degree turn (or as directed) in the indicated
direction) HARM high‑speed
antiradiation missile (FM 1‑02) HASC House Armed Services Committee hasty attack (DOD,
NATO) In land operations, an attack in which preparation time is traded for
speed in order to exploit an opportunity, also assault; attack; deliberate attack; movement to contact (FM 3‑90) hasty crossing (DOD,
NATO) The crossing of an inland water obstacle using the crossing means at
hand or those readily available, and made without pausing for elaborate
preparations, also bridgehead; deliberate crossing (FM 90‑13) hasty defense (DOD,
NATO) A defense normally organized while in contact with the enemy or when
contact is imminent and time available for the organization is limited. It is
characterized by improvement of the natural defensive strength of the terrain
by utilization of foxholes, emplacements, and obstacles, also deliberate defense; emplacement; obstacle (FM 3‑90) hasty operation An
operation in which a commander directs his immediately available forces, using
fragmentary orders to perform activities with minimal preparation, trading
planning and preparation time for speed of execution (FM 3‑90) hasty smoke Smoke operations characterized by
minimal planning and short duration to immediately counter enemy action (FM 3‑50) HAW heavy antitank/assault weapon hazard (DOD)
A condition with the potential to cause injury, illness, or death of
personnel; damage to or loss of equipment or property; or mission
degradation, also injury; risk (FM 100‑14) hazard communication The
responsibility of leaders and supervisors concerning possible hazards in the
workplace and notification of hazards and necessary precaution to their
soldiers. Also called HAZCOM (FM 3‑100.4) hazardous material Any
substance which has a human health hazard associated with it. Special
storage, use, handling, and shipment safety procedures
and protocols must be followed to help protect against accidental exposure.
Hazardous materials are specifically identified under federal law (FM 3‑100.4) hazardous substances Materials
specifically listed under federal regulations for which the spilling of
certain quantities requires immediate reporting to federal agencies (FM 3‑100.4) hazardous waste A
solid waste which is either listed as such in federal law or exhibits any of
the four hazardous characteristics—ignitability, corrosivity, reactivity, or
toxicity, also corrosivity; ignitability; reactivity; solid waste; toxicity; waste (FM 3‑100.4) hazardous waste accumulation
site A specially designated site for the temporary
collection of hazardous wastes where no container may remain on site for more
than 90 days. The site, and containers within it, must be properly marked and
certain safety and management procedures
apply. There is no limitation on the quantity of wastes which may be kept on
site (FM 3‑100.4) HAZCOM hazard
communication (FM 1‑02) haze (smoke) A
light concentration of smoke placed over friendly areas to restrict accurate
enemy observation and fire. A smoke haze is not dense enough to disrupt
friendly operations (FM 3‑50) HAZMAT hazardous materials (FM 3‑21.20) HB heavy barrel (FM 3‑22.65,
FM 3‑90.1); (a PSYOP loudspeaker team, FM 3‑21.20) HBCT Heavy
brigade combat team: One of three types of brigade combat teams. The others are the
Infantry brigade combat team (IBCT),
the Heavy brigade combat team (HBCT),
and the Stryker brigade combat team (SBCT;
FM 3‑21.20) HC herachloroethane zinc (chemical
used in smoke grenades and other projectiles; FM 3‑21.20,
FM 7‑92, FM 7‑98, FM 3‑90.1, FM 3‑90.2,
ARTEP 7‑30 MTP, ARTEP 71‑2 MTP); hydrochloric
(FM 3‑23.30); 3 hydrogen chloride (FM 3‑06.11) HCA humanitarian
and civic assistance (FM 1‑02); head of contracting activity HCD head coupled display (examples
include the Fakespace Boom and Push systems, which use external mechanical
supports, giving the benefits of a head tracked display without the head
mounting problems. Isdale, Jerry. VR News, "Technology Review: Head Mounted
Displays." 1998, also HCOR Honorary Colonel of the Regiment HCP health
and comfort pack (FM 3‑21.10) HD distilled
mustard (blister agent); heavy drop (FM 1‑02); harbor defense;
horizontal distance (FM 3‑25.26); honorable discharge HDC harbor defense command;
helicopter direction center; headquarters distribution company (FM 3‑21.10) HDR humanitarian daily ration HDRS heavy‑drop rigging site
(FM 90‑26) HDY heavy duty HE high
explosive (FM 1‑02); heavy equipment (FM 3‑21.220,
FM 90‑26) HE WAM high
explosive wide area mine (FM 1‑02) head mount (noun, neither MW10 nor Third New
International Dictionary, Unabridged) head strap (noun, not in MW10 or Third New
International Dictionary, Unabridged) headband (noun, MW10) headbutt** Directive
term to fighters/interceptors to immediately divert a track of interest clear
of a restricted or prohibited area) headgear (noun, MW10) headlight (noun, MW10) head‑mounted
displays Distinguishes
between the different types of sights. Copyrighted article written 1998 by
Jerry Isdale for VRNews. Other head‑on (adj, adv, MW10) headphone (noun, MW10) headrest (noun, MW10) headroom (noun, MW10) heads up Alert
of an activity of interest) headset (noun, MW10) headspace (noun, MW10) health service support (DOD)
All services performed, provided, or arranged by the Services, to promote,
improve, conserve, or restore the mental or physical well‑being of
personnel. [Note: the Army definition adds here "… in the Army and, as directed,
for other Services, agencies, and organizations." It does not include
what follows in the DOD definition.] These services include but are not
limited to the management of health services resources, such as manpower,
monies, and facilities; preventive and curative health measures; evacuation
of the wounded, injured, or sick; selection of the medically fit and
disposition of the medically unfit; blood management; medical supply,
equipment, and maintenance thereof; combat stress control; and medical,
dental, veterinary, laboratory, optometric, medical food, and medical
intelligence services. Also called HSS
(FM 4‑0) health threat (DOD)
A composite of ongoing or potential enemy actions; environmental,
occupational, and geographic and meteorological conditions; endemic diseases;
and employment of nuclear, biological, and chemical weapons (to include
weapons of mass destruction) that can reduce the effectiveness of joint
forces through wounds, injuries, illness, and psychological stressors (Army)
Refers to an individual soldier's health. The term can include hereditary
conditions that manifest themselves in adulthood, individual exposure to an
industrial chemical or toxin where others are not exposed, or other injuries
and traumas that affect an individual's health rather than the health of the
unit (FM 4‑02.17) HEAP high‑explosive armor
piercing HEAT high‑explosive antitank
(ammunition; old, so it is hyphenated: "anti‑tank" (FM 3‑21.71,
FM 3‑21.8, FM 3‑21.20, FM 7‑92, FM 3‑23.25,
FM 3‑90.1, FM 3‑06.11); helicopter external air
transport (FM 3‑21.38) HEAT‑MP high‑explosive antitank,
multipurpose (FM 3‑06.11) heatstroke (noun) HEAT‑T high explosive antitank tracer
(ammunition) heavy drop (DOD)
A system of delivery of heavy supplies and equipment by parachute. Also
called HD (FM 10‑1) Heavy* A
group known to contain three or more individual entities (NOTE: NATO
definition is, "The largest group of factor BOGEYS/BANDITS.") HECP harbor entrance control post HECVES harbor entrance control vessel HEDP high explosive dual purpose
(ammunition, FM 3‑21.8, FM 3‑21.20, FM 3‑22.27,
FM 3‑22.31, FM 3‑90.1) HEFU high‑energy firing unit HEI high‑explosive incendiary height of burst (DOD, NATO) The vertical distance
from the Earth's surface or target to the point of burst. Also called HOB, also desired ground zero;
ground zero, FM 100‑30) HEI‑T high‑explosive incendiary‑tracer
(ammunition, FM 3‑90.1); high explosive incendiary‑tracer
(FM 3‑21.71, FM 3‑21.71, FM 3‑21.20,
FM 3‑06.11, STP 7‑11M14‑SM‑TG) hel helicopter
(FM 1‑02) helicopter approach route (NATO)
The track or series of tracks along which helicopters move to a specific
landing site or landing zone, FM 1‑112) HELITEAM helicopter team HELLFIRE heliborne laser fire and forget
(missile system; from Jul/Aug 92 Aviation Digest, FM 3‑23.25) HEMETT heavy equipment mobile truck
transport (ARTEP 71‑2‑MTP) HEMIT heavy expanded mobility tactical
truck (FM 7‑0, FM 7‑1) HEMMS hand‑emplaced
minefield marking set (FM 1‑02) HEMTT heavy expanded‑mobility
tactical truck (FM 3‑21.20); heavy expanded mobility tactical
truck (FM 3‑90.1, FM 3‑90.2); heavy expanded mobile
tactical truck (incorrect,
FM 3‑90.6) HEP high
explosive plastic (FM 1‑02) HEPI heavy equipment point of impact
(FM 90‑26) HEP‑T high‑explosive plastic‑tracer;
high explosive plastic tracer (ammunition, FM 3‑90.1) HE‑RAP high‑explosive, rocket‑assisted
projectile HERC Nike Hercules herringbone An
arrangement of vehicles at left and right angles to the line of march used to
establish security during an unscheduled halt (FM 3‑20.15) HESH high‑explosive squash head HET heavy
equipment transporter (FM 1‑02) HE‑T high‑explosive tracer HEV health and environment HF high
frequency (FM 1‑02); harassing fire HFE human factors engineering HFP special pay for duty subject to
hostile fire HG hand grenade (FM 3‑23.30) HHB headquarters
and headquarters battery (FA and HHC headquarters
and headquarters company (FM 1‑02) HHCL "H" hour coordinating
line HHD headquarters and headquarters
detachment HHG household goods H‑hour (DOD)
1. The specific hour on D‑day at which a particular operation
commences. 2. For amphibious operations, the time the first assault elements
are scheduled to touch down on the beach, or a landing zone, and in some
cases the commencement of countermine breaching operations, also times (FM 5-0) HHR hand‑held radar HHT headquarters and headquarters troop
(cavalry units, FM 1‑02) HIA hold in abeyance HIDACZ high‑density
airspace control zone (FM 1‑02) hide The
positioning of a vehicle, individual, or unit so that no part is exposed to
observation or direct fire, also concealment; cover; defilade (FM 3‑20.15) high angle fire (DOD,
NATO) Fire delivered at angles of elevation greater than the elevation that
corresponds to the maximum range of the gun and ammunition concerned; fire,
the range of which decreases as the angle of elevation is increased (Army)
Fire delivered to clear an obstacle (such as a hill) that low‑angle
fire cannot, or fire delivered to attack targets on the reverse side of an
obstacle (such as a hill) that cannot be attacked with low‑angle or
direct fire (FM 6‑30) high* CONTACT
is greater than 40,000 ft MSL (NOTE: NATO is 25,000 to 50,000 ft high‑altitude missile
engagement zone (DOD) In air defense, that airspace of
defined dimensions within which the responsibility for engagement of air
threats normally rests with high‑altitude surface‑to‑air
missiles. Also called HIMEZ,
also weapon engagement zone (FM 3‑52; see Table 7‑8 for symbol) high‑density airspace
control zone (DOD) Airspace
designated in an airspace control plan or airspace control order, in which
there is a concentrated employment of numerous and varied weapons and
airspace users. A high‑density airspace control zone has defined
dimensions, which usually coincide with geographical features or navigational
aids. Access to a high‑density airspace control zone is normally
controlled by the maneuver commander. The maneuver commander can also direct
a more restrictive weapons status within the high‑density airspace
control zone. Also called HIDACZ,
also airspace coordination area; restricted operating area/zone (FM 3‑52; see Table 7‑8 for symbol) high‑G high
gravity (FM 1‑02) high‑payoff target (DOD)
A target whose loss to the enemy will significantly contribute to the success
of the friendly course of action. High‑payoff targets are those high‑value
targets that must be acquired and successfully attacked for the success of
the friendly commander's mission. Also called HPT. See also high-value target. (FM 6‑20‑10) high‑value target (DOD)
A target the enemy commander requires for the successful completion of the
mission. The loss of high‑value targets would be expected to seriously
degrade important enemy functions throughout the friendly commander's area of
interest. Also called highway (noun) highway regulation Planning,
routing, scheduling, and deconflicting the use of main supply routes and
other routes to provide order, prevent congestion, enforce priorities, and
facilitate movement control, also alternate
supply route; main supply
route (FM 4‑01.30) hilltop (not "hill top") HIMAD high‑to‑medium
altitude missile air defense (FM 1‑02) HIMARS high‑mobility artillery
rocket system HIMEZ high‑altitude
missile engagement zone (FM 1‑02) HIMS HMMWV Interchangeable HIPAR high‑power acquisition
radar HIPIR high‑power illuminator
radar hipshoot immediate or emergency mission
fired from a temporary position outside or away from the planned or normal
firing area HISA Headquarters and Installation
Support Activity HISRAN high‑precision short‑range
navigation
HIV human immunodeficiency virus
(FM 7‑1) HJ Honest John HL mustard-lewisite mixture (blister
agent, FM 1‑02) HLA high level architecture (Defense
Modeling and Simulation Office [DMSO], Warfighter Requirements Division,
USMC; http://hla.dmso.mil) HLD homeland
defense (FM 1‑02) HLG Hawk Logistics Group HLH heavy lift helicopter HLMR Hunter‑Leggitt Military
Reservation HLS homeland
security (FM 1‑02) HLZ hot
landing zone (FM 1‑02); helicopter landing zone (FM 3‑21.38) HMD head‑mounted display HMG heavy machine‑gun HMMWV high‑mobility
multipurpose wheeled vehicle (FM 1‑02) HMS height
management system HN host nation; nitrogen mustard
(blister agent, FM 1‑02) HNS host
nation support (FM 1‑02) HOA heavy observation aircraft HOB height
(depth) of burst (FM 1‑02) Hoffman signature device A
pyrotechnic device used to simulate the firing of the main gun of tanks
during training; developed during the 1980s by the West German firm
"Hoffman." The pyrotechics device was mounted over the main gun and
activated (flash/bang) during a simulated (MILES) firing. The term
"hoffman device" is a copyrighted term owned by a firm called Diehl
who bought out Hoffman, shut down the production line, and as of 2001 was
developing a device called the MTGS for the Army's latest‑generation
MILES system (MILES XXI). The hoffman device does have a DODAC number,
1370L602. It is commonly known as the L602. (information provided by
Peter_Brig@stricom.army.mil)) Hokum‑X A surrogate helicopter (aerial
target) hold (DOD,
NATO) 1. A cargo stowage compartment aboard ship. 2. To maintain or retain
possession by force, as a position or an area. [Note: the NATO definition
reads "In land operations, to maintain possession of a position or area
by force."] (FM 3‑90). 3. In an attack, to
exert sufficient pressure to prevent movement or redisposition of enemy
forces (FM 3‑90). 4. As applied
to air traffic, to keep an aircraft within a specified space or location
which is identified by visual or other means in accordance with Air Traffic
Control instructions (FM 3‑04.111); also fix; retain (FM 1‑02) hold down Directive
to key transmitter for DF steer) hold fire (NATO)
In air defense, an emergency order to stop firing. Missiles already in flight
must be prevented from intercepting, if technically possible, also cease engagement (FM 44‑100) hold fire (S/A)
An emergency fire control order to stop firing on a designated target, to
include destruction of any missiles in flight) hold out (verb, trans) holding area 1.
A site located between assembly areas or forward arming and refueling points
and battle positions that may be occupied for short periods of time by attack
helicopters while coordination is being made for movement into the battle
positions. It should provide good cover and concealment and an area for the
aircraft to hover or land (FM 3‑04.111) 2. Nearest covered
and concealed position to the pickup zone or river crossing site where troops
are held until time for them to move forward (FM 3‑90.6)
3. Waiting area that forces use during traffic interruptions or deployment
from an aerial or seaport of embarkation (FM 3‑19.4) holding hands Aircraft
in visual formation) holding line In retrograde
river crossing operations, the outer limit of the area established between
the enemy and the water obstacle to preclude direct and observed indirect
fires into the crossings (FM 90‑13; see Table 7‑11 for symbol) hold‑off (noun) hollow** Any
datalink message not received) home plate Home
airfield or ship) homeland security Operations
within the HOOK 1. (direction) Directive call to perform an in |