HAC -- House Appropriations Committee HALO -- High-Altitude, Low-Opening (parachute drop) HARM -- High-Speed Anti-Radiation Missile HASC -- House Armed Services Committee HAVR -- High-velocity Aircraft Rocket HC -- High Capacity (bombardment ammunition) HDC -- Helicopter Direction Center (USN) HDD -- Head-Down Display HE -- High Explosive HEAT -- High Explosive Anti-Tank Hel -- Helicopter HEL -- High Energy Laser HEMTT -- Heavy Expanded Mobility Tactical Truck HF -- High Frequency HF/DF -- High Frequency/Direction Finding HFAJ -- High Frequency Anti-Jam (radio) HIGE -- Hovering ceiling In Ground Effect HIP -- Howitzer Improvement Program HIRSS -- Hover Infrared Suppressor System HLG -- High-Level Group HLLV -- HEAVY-LIFT LAUNCH VEHICLE HLTF -- High-Level Task Force HM&E -- Hull, Machinery, and Electrical (USN) HM&E -- Hull, Mechanical, and Electrical HMAS -- Her (His) Majesty's Australian Ship HMCS -- Her (His) Majesty's Canadian Ship HMD -- Head mounted Displays HMDY -- His/Her Majesty's Dockyard HMG -- Heavy Machine Gun HMMWV -- High Mobility Multipurpose Wheeled Vehicle HMS -- Her (His) Majesty's Ship HNS -- Host Nation's Support HOGE -- Hovering ceiling Out of Ground Effect HOJ -- Home On Jam (missile) HOLAS -- Hands On Lever And Stick HOTAS -- Hands On Throttle And Stick How -- Howitzer hp -- Horsepower Hq -- Headquarters HqMC -- Headquarters Marine Corps (USMC) HSA -- Hollandse Signal Apparaaten HSU -- Hero of the Soviet Union (award) HTK -- Hard-Target Kill HTKP -- Hard-Target Kill Potential HTP -- High-Test Peroxide HTTB -- High-Technology Test Bed HTV -- Hull Test Vehicle HUD -- Head-Up Display HUD -- Heads-Up Display HUDWAC -- Head-up Display/Weapon-aiming Computer HUMINT -- Human (source) Intelligence HVT -- High Value Target HVU -- High Value Unit HWT -- Heavy-Weight Torpedo HY -- High Yield
I
I&I -- Instructor-Inspector (USMC) I&W -- Indications and Warning I-S/A AMPE -- INTER-SERVICE/AGENCY AUTOMATED MESSAGE PROCESSING I-S/A AMPE -- Inter-Service/Agency Automated Message Processing Exchange IAADS -- Interim Automated Air Defense System IACS -- Intergrated Acoustic Communication System IAF -- Israeli Air Force IAI -- Israel Aircraft Industries, Ltd IAMP -- Imagery Acquisition and Management Plan IAP -- International Airport IBP -- Industrial Base Program IBPDMS -- Improved Point Defense Missile System IC -- Intelligence Community IC -- Interior Communications (IC) -- INTELLIGENCE COMMUNITY ICAM -- Improved Chemical Agent Monitor ICAP -- Improved Capability ICBM -- Intercontinental Ballistic Missile ICS -- Intelligence Community Staff ICS -- Internal Countermeasure Set ICV -- Infantry Combat Vehicle IDA -- Institute for Defense Analysis IDAP -- Intergrated Defensive Avionics Program IDF -- Israeli Defense Forces IEPG -- Independent Eropean Programme Group IEW -- Intelligence and Electronic Warfare (USA) IFCS -- Improved Fire Control System IFF -- Identification Friend or Foe IFTE -- Integrated Family of Test Equipment IFV -- Infantry Fighting Vehicle IG -- Inspector General IGE -- In-ground Effect ihp -- Indicated Horsepower IIR -- Imaging Infrared IISS -- International Institute for Strategic Studies (UK) Il -- Ilyushin (Soviet aircraft designaton) IL -- International List ILS -- Instrument Landing System IMA -- Individual Mobilization Augmentees IMC -- Internal Management Control IMET -- International Military Education and Training IMINT -- Imagery Intelligence IMIP -- Industrial Modernization Incentives Program IMIS -- Integrated Maintenance Information System IMP -- Internal Management Control INAS -- Integrated Nav/Attack System INC -- Insertable Nuclear Component INCA -- Intelligence Communications Architecture INEWS -- Integrated Electonic Warfare System Inf -- Infantry INF -- Intermediate-range Nuclear Forces ING -- Inactive National Guard INS -- Inertial Navigation System INSCOM -- Intelligence and Security Command (USA) INSMARSAT -- International Maritime Satellite (Organization) Int -- Internal intel -- intelligence INTELLIGENCE INTELLIGENCE CYCLE INTELLIGENCE PRODUCER INTELLIGENCE REQUIREMENT IOC -- Initial Operational Capability IOT&E -- Initial Operational Test and Evaluation IR -- Infrared IR -- Intelligence Request IR&D -- Independent Research and Development IRADS -- Infrared Acquisition and Detection System IRBM -- Intermediate-Range Ballistic Missile (now INF or LRINF) IRCM -- Infrared Countermeasures IRDS -- Infrared (or integrated) Detection System IRR -- Individual Ready Reserve IRS -- Inertial Reference System IRST -- Infrared Search and Track (system) ISA -- International Standard Atmosphere ISAR -- Inverse Synthetic Array Radar ISM -- Industrial Security Manual IUKADGE -- Improved UK Air Defence Ground Environment IUSS -- Integrated Undersea Surveillance System