U.S. Military Abbreviations & Acronyms:  H

The military and government are famous for using - or overusing - abbreviations and acronyms for designating equipment, programs, and agencies. These eight pages are chock full of nearly every commonly used abbreviations and acronyms used by the U.S. military (at least up through around the year 2000).

A  B  C  D  E  F  G  H  I  J  K  L  M  N

O  P  Q  R  S  T  U  V  W  X  Y  Z

 

H

Symbol for the magnetic field of the propagated radio wave

HA

Humanitarian Assistance

HAA

Helicopter Alighting Area

HAB

(1) High Altitude Burst; (2) High Altitude Bombing; (3) High Air Burst; (4) Hardened Aircraft Bunker

HAC

(1) House Appropriations Committee; (2) Historical Area Coverage

HACC

Humanitarian Assistance Coordination Center

HAE

High-Altitude Endurance

HAHO

High-Altitude High-Opening

HAIS

Hawaiian Air Intelligence System

HAL

Helicopter Light Attack

HALE

High-Altitude Long-Endurance

HALO

High-Altitude Low-Opening

HANE

High-Altitude Nuclear Effects

HANG

Hawaii Air National Guard

HARDLOOK

Special Data Analysis Product of NAVSPACECOM/N24

HARDS

High-Altitude Radiation Detection System

HARM

High-Speed Anti-Radiation Missile (AGM-88A)

HARV

Harassment Vehicle (Drone)

HAS

Hardened Aircraft Shelter

HASC

House Armed Services Committee

HATS

Heuristic Automated Transportation System

HATMD

High-Altitude Theater Missile Defense

HAV

(1) High Acceleration Vehicle; (2) Heavy Armored Vehicle (non-tactical)

HAWS

Hawaii Area Wideband System

HAZCON

Hazardous Condition

HAZMAT

Hazardous Materials

HB

High Burst

HBWP

Host-Based Word Processing

HC

HUMINT Committee

HCA

Humanitarian and Civic Assistance

HCC

HUMINT Contingency Cell

HCF

High Command of Forces

HCI/DV/AEX

Human-Computer Interface/Data Visualization/Automated

Expansion

HCR

HUMINT Collection Requirement

HCS

Helicopter Combat/Search and Rescue

HCU

High Capacity Computer Unit

HD

Horizontal Ground Distance

HDL

Harry Diamond Laboratories

HDM

Hierarchical Development Methodology

HDO

Humanitarian Demining Operations

HDX

Half Duplex

HX

Half Duplex

HE

High Explosive

HEAT

High-Explosive AntiTank

HEC

Helicopter Element Coordinator

HEDI

High Endoatmospheric Defense Interceptor

HEF

Hostile Establishment File

HEI

High-Explosive Incendiary

HEL

High-Energy Laser

HELIP

HAWK European Limited Improvement Program

HELRATS

High Energy Laser Radar Acquisition & Tracking System

HELSTF

High-Energy Laser Systems Test Facility

HELW

High-Energy Laser Weapons

HELWING

Helicopter Wing

HEMP

High-Altitude Electromagnetic Pulse

HEMT

High-Electron-Mobility Transistor

HEO

(1) High-Earth-Orbit; (2) Highly Elliptical Orbit

HEP

High-Explosive Plastic

HERO

(1) Hazards of Electromagnetic Radiation To Ordnance; (2) Historical Evaluation and Research Organization

HERT

Headquarters Emergency Relocation Team

HES

Hardcopy Exploitation Systems

HESS

Hangul English Support System

HEST

High-Explosive Simulation Technique

HET

Heavy Equipment Transporter

HF

(1) High Frequency; (2) Height Finder; (3) Hydrogen Fluoride

HFE

Human Factors Engineering

HFA

High-Frequency Antenna

HF/DF

High-Frequency Direction-Finding

HFE

Heavy-Fuel Engine

HFEA

Human Factors Engineering Assessment

HFP

Host Front-End Protocol

HH

Hand-Held

HHC

Headquarters and Headquarters Company

HHD

Headquarters and Headquarters Detachment

HHS

(1) Headquarters and Headquarter Services; (2) Hasty Hide Shelter

HHW

Higher High Water

HIL

High Interest List

HI-PAR

High-Performance Precision-Approach Radar

HI-RES

High-Resolution

HIC

High-Intensity Conflict

HICOM

High Command (CINCPACFLT Voice Network)

HIDSS

Helmet-Integrated Display & Sight System

HIFAR

High-Frequency Fixed-Array Radar

HIMAD

(1) High- to Medium-Altitude Defense; (2) High to Medium Altitude Adjustment

HIMS

HUMINT Information Management System

HIP

Howitzer Improvement Program

HIRMS

Human Intelligence Requirements Management System

HIROCC

Hawaiian Islands Regional Operational Control Center

HIS

(1) Honeywell Information System; (2) Hostile Intelligence Services

HISP

Hostile Intelligence Service Profiler System

HIT

High-Interest Track

HITS

(1) Human Intelligence Tasking System; (2) Hawaii Information Transfer System

HJ

HONEST JOHN (U.S. Surface-to-Surface Rocket)

HL

Hand-Launched

HLA

Helicopter Landing Areas

HLA/DZ

Helicopter Landing Area/Drop Zone

HLA/DZS

Helicopter Landing Area/Drop Zone Study

HLLV

Heavy-Lift Launch Vehicle

HL-UAV

Hand-Launched Unmanned Aerial Vehicle

HLW

Higher Low Water

HLZ

Helicopter Landing Zone

HM

Helicopter Mine Warfare

HMC

HUMINT Management Center

HMCII

Higher Military Command, Interior and Islands (Greece)

HMF

Handbook of Military Forces

HMI

(1) Host-Message Interface; (2) Human-Machine Interface

HMMWV

High-Mobility Multipurpose Wheeled Vehicle

HMS

(1) Her Majesty’s Ship; (2) HUMINT Management System

HMTV

Head-Mounted Thermal Vision

HN

Host Nation

HNAF

Host Nation Armed Forces

HNIS

Host Nation Intelligence Support

HNS

Host Nation Support

HNSC

House National Security Committee

HOB

Height of Burst

HOBO

Homing Optical Bomb

HOC

(1) History of Coverage; (2) HUMINT Operations Cell

HOCNET

HUMINT Operational Communications Network

HOE

Homing Overlay Experiment

HOIS

Hostile Intelligence Service(s)

HOJ

Home on Jam

HOL

High-Order Language

HOM

(1) Head of Media; (2) Head of Mission

HOTA

HUMINT Operational Tasking Authority

HOTOL

Horizontal Takeoff & Landing

HOTPHOTOREP

Hot Photographic Interpretation Report

HOTSIT

Hot Situation Message

how

Howitzer

HP

(1) Headquarters Pamphlet; (2) Horsepower

HPA

High-Power Amplifier

HPG

Hardcopy Products Group

HPM

High-Power Microwave

HPT

(1) High-Payoff Target; (2) High-Priority Target

HPSC

High-Performance Computing Research System

HPSCI

House Permanent Select Committee on Intelligence

HQ/HQS

Headquarters

HQDA

Headquarters, Department of the Army

HQJTF

Headquarters, Joint Task Force

HQMC

Headquarters, U.S. Marine Corps

HQMRHITS

Quarterly Management Report

HQ

USAF Headquarters, Department of the Air Force

HR

(1) High Resolution; (2) Humanitarian Relief Service

hr

Hour

HR/MR

Human Readable/Machine Readable (Data)

HRC

Human Resources Committee

HRCS

High-Resolution Camera System

HRMS

Human Intelligence Requirements Management System

HRPT

High-Resolution Picture Transmissions

HRR

High-Resolution Radar

HRS

(1) Hours; (2) Humanitarian Relief Service

HRTV

High-Resolution Television

HRU

Hardcopy Reconstruction Unit

HRV

High-Resolution Visible Range Instruments

HS

(1) Helicopter Squadron; (2) Home Station

HSD

HUMINT Support Detachment

HSE

HUMINT Support Element

HSE-E

HSE-Europe

HSE-SOCOM

HSE-USSOCOM

HSI

(1) Human Systems Integration; (2) Hyperspectral Imagery

H-SIP

H-Camera Spectral Improvement Program

HSLLADS

High Speed Low Level Aerial Delivery System

HSMS

Human Sources Management System

HSS

Health Service Support

HTACC

Hardened Tactical Air Control Center

HTKP

Hard-Target Kill Potential

HTLD

High-Technology Light Division

HTOHL

Horizontal Take-off and Horizontal Landing

HTML

Hypertext Markup Language

HUD

Heads-Up Display

HULTEC

Hull-to-Emitter Correlation

HUMINT

Human Resources Intelligence

HUMMV

High Utility Mobile Mechanized Vehicle

HUMRO

Humanitarian Relief Operations

HUS

Hardened Unique Storage

HUSK

Hardened Unique Storage Key

hv

Heavy

HVA

High Value Asset

HVAC

High-Voltage Air Conditioning

HVAP

High-Velocity Armor-Piercing

HVAPFSDS

High Velocity Armor-Piercing Fin-Stabilized Discarding-Sabot

HVAT

High-Velocity Antitank

HVF

Highly Volatile Fuel

HVIT

High Volume Information Transfer

HVT

High-Value Target

HW

(1) High Water; (2) Hardware

HWAS

High Wycombe Air Station

HWC

Hobart Walk-in Cooler

HW/SW

Hardware/Software

HWY

Highway

Hz

Hertz