H&I-Harassing and Interdiction tires.

H&MS-Headquarters and Maintenance Squadron.

H&S Co-Headquarters and Service Company.

HC(A)- Helicopter Commander (Airborne).

HDC-Helicopter Direction Center.

HE-High Explosive.

HEALT- Helicopter Employment and Landing Table.

HH-3 - Sikorsky Sea King, a single-roror helicopter used for combat search and rescue,

HH-53-Sikorsky Sea Stallion, twin-engine, single-rotor assault helicopter in U.S. Navy and Air three search and rescue configurations.

H-Hour-Specific time an operation begins.

HLZ-Helicopter Landing Zone.

HMH-Marine Heavy Helicopter Squadron.

HMM-Marine Medium Helicopter Squadron, also the basis of composite squadrons with deployed forces.

Howitzer, 8-inch-U.S. M55 self-propelled, heavy artillery piece wirh a maximum range of 16,900 meters and a rate of fire of one round every two minutes.

Howitzer, 105mm-U.S. M101A1 cowed, general purpose light artillery piece with a maximum range of 11.000 meters and maximum race of nrc of four rounds per minute.

Howitzer, 155mm-U.S. M1I4A towed and M109 self-propelled medium artillery with a maximum range of 15,0!JO meters and a maximum race of fire of three rounds per minute. The newer and heavier self-propelled M109 is largely road-bound, while the lighter, towed M1I4A can be moved either by truck or by helicopter.

HST-Helicopter Support Team,

Huey-Bell Iroquois UH-1 series of helicopters.

HQMC- Headquarters Marine Corps.

ICCS-International Commission ofConrrol and Supervision, established by the Paris Peace Accords of 1973 TO supervise the implementation of the accords. Composed of representatives from Canada, Hungary, Poland, Indonesia, and Iran.

I MAF-1 Marine Amphibious force.

Inrel- Intelligence.

Intvw- Interview,

IOD-Integrated Observation Device.

ITT-Interrogation/Translator Team.

J-l, -2, et al,-Designation for members of a joint staff which includes members of several Services. J-l refers to the staff member responsible for personnel; J-2, intelligence; J-3, operations;

and J-4, logistics.

JCRC-Joint Casualty Resolution Center.

JCS-Joint Chiefs of Staff (U.S.).

JGS-Joint General Staff (South Vietnamese).

JMC-Joint Military Commission. The four-power JMC representing the United States, South Vietnam, North Vietnam, and the Provisional Revolutionary Government established by the 1973 Paris Peace Accords.

Jolly Green-Radio call sign for USAF HH-53 helicopters of40th

Acrospace Rescue and Recovery Squadron (40th ARRS),

JUSPAO-Joint U.S. Public Affairs Office.

KC-130 - Lockheed, in-flight refueling tanker configuration of the C-130 Hercules.

Khmer Rouge-Cambodian Communists,

KIA" Killed in Action.

Knife-Radio call sign for USAF CH-53 helicopters of21st Special Operations Squadron (21st SOS),

LAAW-US. M72 light antitank assault weapon, also known as light antitank weapon (LAW),

LCC-Amphibious Command Ship-

LCM-Landing Craft, Mechanised, designed to land tanks, trucks, and trailers directly onto the beach. Also known as a "Mike boat,"

LCPL-Landing Craft, Personnel, Large.

LCU-Landing Craft. Utility.

LCVP-Landing Craft. Vehicle, Personnel, a small craft with a bow ramp used to transport assauir troops and light vehicles to the beach. Also known as a "Papa boat."

LGB-Laser Guided Bombs, commonly known as "smart bombs."

L-Hour-The specific time helicopters land in a helicopter landing zone (USMC); launch hour, when an aircraft leaves the ground (USAF).

Linebacker- Codename for the air and surface interdiction operations against North Vietnam in !972.

LKA-Amphibious Cargo Ship.

LOC-Lines of Communication.

LogO - Logistics officer.

LORAN-Long Range Navigation, a system of radio stations at known positions used for air and sea guidance,

LPD-Amphibious Transport Dock, a ship designed to transport and land troops, equipment, and supplies by means of embarked landing craft, amphibious vehicles, and helicopters. It has both a submersible well deck and a helicopter landing deck.

LPH-Amphibious Assault Ship, a ship designed or modified to transport and land troops, equipmenr, and supplies by means of embarked helicopters.

LSA-Logistic Support Area.

LSD-Landing Ship Dock, a landing ship designed to combat load, transport, and launch amphibious crafts or vehicles together with crews and embarked personnel, and to provide limited docking and repair services to small ships and crafts. It lacks the helicopter landing deck of the LPD.

LST-Tank Landing Ship. a landing ship designed to transport heavy vehicles and to land them on a beach.

LSU-Logistics Support Unit.

Lt - Lieutenant.

LtCol-Lieutenant Colonel.

LTDS-Laser Target Designation System.

LtGen-Lieutenant General.

Ltr-Letter.

LVTC-Landing Vehicle, Tracked, Command, an amphibian vehicle fitted with radios for use as a command and control facility.

LVTE-Landing Vehicle, Tracked, Engineer, a lightly armored amphibian vehicle designed for minefield and obstacle clearance.

LVTP-Landing Vehicle, Tracked, Personnel, an amphibian vehicle

used to land and/or transport personnel-

LZ-Landing Zone.

MAB-Marine Amphibious Brigade,

MABLEx-MAB Landing Exercise.

MABS-Marine Air Base Squadron.

MAC-Military Airlift Command.

Machine Gun, ,50-Caliber-U.S, M3 belt-fed, recoil-operated, air-