cooled automatic weapon, which weighs approximately 80 pounds without mounr or ammunirion; it has a sustained rate of fire of 100 rounds per minute and an effective range of 1,450 merer;;.
Machine Gun, 7.62mm-U.S. M60 belt-fed, gas-operated, air-cooled automatic weapon, which weighs approximately 20 pounds without mourn or ammunition; ir has a sustained rate of fire of 100 rounds per minute and an effective range of 1,000 meters.
MACS-Marine Air Control Squadron, provides and operates ground facilities for the detection and interception of hostile aircraft and for the navigational direction of friendly aircraft in the conduct of suppon operations.
MACV-Military Assistance Command, Vieinam,
MAF-Marine Amphibious Force.
MAG-Marine Aircraft Group,
Main Force- Refers to organized Vier Cong battalions and regiments as opposed ro local guerrilla groups.
Maj - Major.
MajGen-Major General.
MarDiv-Marine Division.
Marines-Designates an infantry regiment, e.g., 3d Marines,
MASS-Marine Air Support Squadron, provides and operates facilities fur the control of aircraft operating in direct support of ground forces,
MAU Marine Amphibious Unit, not to be confused with the Marine Advisory Unit of the Naval Advisory Group which administered the advisory effort ro rhe South Vietnamese Marine Corps,
MarAdvU-Marine Advisory Unit.
MAW-Marine Aircraft Wing.
MCAF-Marine Corps Air Facility,
MCAS-Marine Corps Air Station.
MCCC-Marine Corps Command Center.
MCO-Marine Corps Order.
MCOAG-Marine Corps Operations Analysis Group, an organization of the Center for Naval Analyses in Washington, D.C.
MCSA-Marine Corps Supply Agency.
Medevac-Medical Evacuation.
MEDTC-Military Equipment Delivery Team, Cambodia.
MIA-Missing in Action,
MiG Mikoyan-Gurevich designed Soviet aircraft,
MO Mount Out, loaded and ready classes of supplies for contingency use by amphibious forces,
MOA Mount Out Augmentation.
MODLOC-Modified Lxarion, radius around a specified point from which naval ships may transit while waiting employment,
Mortar, 4.2 inch-U.S. M30 rifled, muzzle-loaded, drop-fired weapon consisting of tube. base-plate and Standard; weapon weighs 330 pounds and has a maximum range of 4,020 meters, Rate of fire is 20 rounds per minute. Also known as the "Four-Deuce."
Mortar, 60mm-U.S. M19 smooth-bore, muzzle-loaded weapon which weighs 45.2 pounds when assembled; it has a maximum rare of fire of 30 rounds per minute and sustained rate of fire of 18 rounds per minute; the effective range is 2.000 meters.
Mortar. 81mm-U.S. M29 smooth-bore, muzzle-loaded weapon which weighs approximately 115 pounds when assembled; it has a sustained rate of fire of two rounds per minute and an effective range of 2,300-3,650 meters, depending upon ammunition used.
Mortar, 82mm- Communist smooth-bore, single-shot, high angle of fire weapon which weighs approximately 123 pounds; it has a maximum rate of fire of 25 rounds per minute and a maximum range of 3,040 meters.
Morrar, 120mm-Communist smooth bore, drop- or trigger-fired mortar which weighs approximately 600 pounds; it has a maximum rare of fire of 15 rounds per minute and a maximum range of 5,700 meters.
MR- Military Region. South Vietnamese army corps tactical zones were redesignated military regions in 1970, e.g., I Corps Tactical Zone became Military Region l (MR-1).
MR-')- Communist political and military sector in South Vietnam, including all of Military Region l, NVA units in MR.-5 did not report to COSVN.
Ms Manuscript.
MSC-Military Sealift Command.
MSG-Marine Security Guard.
Msg-Message.
NAG-Naval Advisory Group.
NAIL-Radio call sign for USAF OV-10 aircraft,
NAS-Naval Air Station.
NATOPS - Naval Air Training and Operating Procedures Standardi-zarion-
NCC-Naval Component Commandcr-
NCO-Noncommissioned Officer,
NEmVac-Noncombatant Emergency Evacuation,
NGLO - Naval Gunfire Liaison Officer.
NGS Naval Gunfire Support.
NKF-U.S. Air Force designation for Nakhon Phanom Air Base,
Thailand-
NLF-National Liberation Front, [he political arm of rhe Communisr-led insurgency against the South Vietnamese Government.
NMCB- Naval Mobile Construction Battalion, whose members are known as "SeaBees,"
NMCC-National Military Command Center.
NOD-Night Observation Device.
NPFF-National Police Field three.
NSA-Naval Supporr Acriviry.
NSD-Naval Supply Depot.
Nui-Vietnamese word for hill or mountain.
Nung-Southeast Asian tribesman, of an ethnic group of probably Chinese origin.
NVA-North Vietnamese Army, the Peoples Army of Vietnam (PAVN); term often used by Americans to refer to a North Vietnamese soldier,
0-1-Cessna Bird Dog, a single-engine, propeller-driven observation aircraft.
0-2-Cessna Skymaster. a dual-engine, propeller-driven observation aircraft.
OH-6 - Hughes Cayuse, single-rotor light helicopter used for armed reconnaissance and observation- Also known as a "Loach."
OH-5y-Be!l Kiowa, single-rotor light helicopter used for armed reconnaissance and observation,
OIC-Officer-in-Charge.
OpCon-Operational Control, the authority granted to a commander ro direct forces assigned for specific missions or tasks which are usually limited by function, time, or location.
