AAR After Action Report
ABCCC Airborne Command and Control Center
A-4 Skyhawk A single-seat, lightweight, jet attack bomber in service with Navy and Marine Corps squadrons. Built by Douglas.
AN/PRC-25 U. S.-built, short-range, portable, frequency-modulated radio set used to provide two-way communication in the 30 megacycle to 75.95 megacycle band.
AN/TP Q-10 U. S.-built, ground-based radar system
used to guide aircraft on bombing missions.
A-1 Skyraider U. S.-built, prop-driven, attack aircraft built by Douglas.
Arc Light Operational name for B-52 strikes in South Vietnam.
ARVN Army of The Republic of Vietnam.
A-6A Intruder U. S. Navy and Marine Corps twin-engine, low-altitude, jet attack bomber specifically designed to deliver ordnance on targets completely obscured by weather or darkness. Carries a heavier and more varied load than any other U. S. naval attack aircraft. Built by Grumman.
ASRT Air Support Radar Team
BDA Battle Damage Assessment
Bde Brigade
B-52 Stratofortress USAF eight-engine, swept-wing heavy jet bomber. Built by Boeing.
BLT Battalion Landing Team
CA Combined Action Company
CACO Combined Action Company Oscar
CavSqd (e.g. 1/9) 1st Squadron, 9th Cavalry
C-4 Plastic explosives
CG, 1st MarDiv Commanding General, 1st Marine Division
CG, FMFPac Commanding General, Fleet Marine Force, Pacific
CG, 3d MarDiv Commanding General, 3d Marine Division
CG, III MAF Commanding General, III Marine Amphibious Force
ChiCom Chinese Communist
CH-53A Sea Stallion U. S.-built, single-rotor, heavy assault transport helicopter powered by two shaft turbine engines with an average payload
of 12,800 pounds. Full-sized rear opening with built-in ramp permits loading of 105mm howitzer and carriage. External sling will accommodate a 155mm howitzer (towed). Carries crew of 3 plus 38 combat troops or 24 litters. Built by Sikorsky.
CH-46D Sea Knight U. S.-built, medium transport, twin turbine, tandem rotor helicopter with
an average payload of 4,800 pounds. Has rear loading ramp and external sling mount. Carries crew of 3 plus 25 combat troops or 15 litters and 2 attendants. Built by Boeing.
CIDG Civilian Irregular Defense Group
Claymore U. S.-built, directional antipersonnel land mine employed above ground and normally in an upright position.
CMC Commandant of the Marine Corps
CmdChron Command Chronology
CO Commanding Officer
ComUSMA V Commander, U. S. Military Assistance Command, Vietnam
CP Command Post
CS Designation for tear gas
DASC Direct Air Support Center
D-Day Day scheduled for the commencement of an operation.
DIA IntBul Defense Intelligence Agency Intelligence Bulletin
DMZ Demilitarized Zone
EC-121 Super USAF and USN four-engine, prop-driven,
Constellation long-range, heavy transport modified with special equipment for radar early warning patrols and electronic warfare duty. Built by Lockheed.
FADAC Field Artillery Digital Automatic Computer
FDC Fire Direction Center
F-8 Crusader U. S. Navy and Marine Corps supersonic, single-seat, single-engine, jet fighter with afterburner. Primarily used in South Vietnam in an attack role. Carries airto-air and air-to-ground ordnance. Built by LTV Vought Aeronautics.
F-4B Phantom II U. S. Navy and Marine Corps twin-engine, two-seat, supersonic fighter/attack jet with afterburners; has dual role of interceptor and bomber. Of all U. S. naval attack aircraft, F-4B carries second largest payload. Built by McDonnell.
F-4C U. S. Air Force model of the Phantom II.
1st ACD 1st Air Cavalry Division
1st MarDiv 1st Marine Division
1st MAW 1st Marine Aircraft Wing
FOB-3 Forward Operating Base 3
F-100 Super Sabre Single-engine, jet (with afterburner) sweptwing, supersonic fighter-bomber; in production since 1953, the F-100 was the first supersonic operational fighter developed for the U. S. Air Force. Carries air-to-air and air-to-ground ordnance. Built by North American.
F-105 Thunderchief U. S. Air Force supersonic, single-seat, single-engine, jet fighter/bomber with afterburner. Built by Republic.
FMFPac Fleet Marine Force, Pacific
FO Forward Observer
FSCC Fire Support Coordination Center
GCA Ground Controlled Approach
GPES Ground Proximity Extraction System
Grenade Launcher, M-79 U. S.-built, single-shot, break-open,
breech-loaded shoulder weapon which fires 40mm projectiles and weighs approximately 6.5 pounds when loaded; it has a sustained rate of aimed fire of 5-7 rounds per minute and an effective range of 375 meters.
Gun, 100mm M1944 Soviet-built, dual purpose field and
anti-tank gun introduced toward the close of World War II; it weighs 7,628 pounds, is 30.9 feet in length and has a muzzle velocity of 900 meters per second. Maximum range is 21,000 meters and maximum rate of fire is 8-10 rounds per minute. Is recognizable by long tube, double-barrel muzzle brake, dual wheels, and sloping shield.
Gun, 130mm Soviet-built fieldpiece which utilizes either a limber for transport or is self-propelled. Towed weapon weighs 19,000 pounds, is 38 feet in length, and has a muzzle velocity of 930 meters per second. Maximum range is 27,000 meters and maximum rate of fire is 6-7 rounds per minute. Tube has a multi-perforated muzzle brake.
Gun, 175mm U. S.-built, self-propelled gun which weighs 62,100 pounds and fires a
147-pound projectile to a maximum range of 32,800 meters. Maximum rate of fire is 1/2 round per minute.
Hand Grenade, U. S.-manufactured, hand-thrown bomb, Fragmentation which weighs approximately one pound, M-26 and contains an explosive charge in a body that shatters into small fragments; it has an effective range of 40 meters.
H&I Harassment and Interdiction
H&S Co Headquarters and Service Company
HistBr Historical Branch
HMM Marine Medium Helicopter Squadron
Howitzer, 105mm M2A1 U. S.-built, towed, general purpose light artillery piece; the weapon is mounted
on a carriage equipped with split box trails and pneumatic tires. On-carriage sighting and fire control equipment are used both for direct and indirect fire. The piece weighs 4,980 pounds, is 19.75 feet in length, has a muzzle velocity of 470 meters per second, and a maximum range of 11,155 meters. Maximum rate of fire is 4 rounds per minute.
Howitzer, 155mm M1 U. S.-built, towed, medium artillery piece
mounted on a two-wheel, split-trail carriage with detachable spades. The howitzer is fired from a three-point suspension, with the trails spread and the carriage resting
upon an integral firing jack, the wheels being clear of the ground. The piece weighs 12,700 pounds, is 24 feet long, has a muzzle velocity of 560 meters per second and a maximum range of 15,080 meters. Maximum rate of fire is 3 rounds per minute.
Howitzer, 8-inch M-110 U. S.-built, self-propelled heavy
artillery piece; 37 feet long tracked carriage is identical to that of 175mm gun. M-110 has a maximum range of 16,930 meters and a rate of fire of 1/2 round per minute.
HQMC Headquarters, United States Marine Corps
IFR Instrument Flight Rules
KBA Killed By Air
KIA Killed In Action
KSCB Khe Sanh Combat Base
LAPES Low Altitude Proximity Extraction System
LSA Logistics Support Area
LZ Landing Zone
MACV Military Assistance Command, Vietnam
MAG Marine Aircraft Group
Machine Gun, .50 caliber: U. S.-built, belt-fed, recoil-operated, air-cooled automatic weapon, which weighs approximately 80 pounds without mount or ammunition; it has a sustained rate of fire of 100 rounds per minute and an effective range of 1,450 meters.
Machine Gun, M-60 U. S.-built, belt-fed, gas-operated, aircooled, 7.62mm automatic weapon, which weighs approximately 23 pounds without mount or ammunition; it has a sustained rate of fire of 100 rounds per minute and an effective range of 1,100 meters.
_____ Marines Designation of Marine regiment
MATCU Marine Air Traffic Control Unit
Medevac Medical evacuation
Mortar, 60mm U. S.-built, smooth-bore, muzzle-loaded, single-shot, high-angle of fire weapon, which weighs 45.2 pounds when assembled and fires an assortment of high explosive and pyrotechnic rounds; it has a maximum rate 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.-built, smooth-bore,
muzzle-loaded, single-shot, high angle of fire weapon, which weighs approximately 115 pounds when assembled and fires an assortment of high explosive and pyrotechnic rounds;
it has a sustained rate of fire of 25 rounds per minute and an effective range of 2,200-3,650 meters, depending upon the ammunition used.
Mortar, 82mm Soviet-built, smooth-bore, muzzle-loaded, single-shot, high-angle of fire weapon which weighs approximately 123 pounds when assembled and fires high explosive and pyrotechnic rounds; it has a maximum rate of fire of 25 rounds per minute and a maximum range of 3,040 meters.
Mortar, 120mm Soviet-or Chinese Communist-built, smoothbore, drop or trigger fired, single-shot, high-angle of fire weapon, which weighs approximately 606 pounds when assembled and fires high explosive and pyrotechnic rounds; it has a maximum rate of fire of 15 rounds per minute and a maximum range of 5,700 meters.
Mortar, 4.2 inch U. S.-built, 107mm, rifled, muzzle-loaded,
M2 drop-fired weapon consisting of tube, base
plate and standard; weapon weighs 330
pounds, is 4 feet in length, and has a
maximum range of 4,020 meters. Rate of fire is 20 rounds per minute and utilizes both high explosive and pyrotechnic ammunition. (Five M2s were employed at KSCB)
Mortar, 4.2-inch M98 Howtar U. S.-built, 107mm, rifled, muzzle-loaded, mortar; a towed weapon, the howtar is mounted on a carriage with two pneumatic tires. Tube and carriage weigh 1,289 pounds; maximum range is 5,500 meters. (Two Howtars were employed at KSCB)
M-16 U. S.-built, magazine-fed, 5.62mm gasoperated, air-cooled shoulder weapon designed for either semiautomatic or full automatic fire; fully loaded weighs 7.6 pounds, fires a maximum rate of 150-200 rounds per minute, and has a maximum effective range of 460 meters.
9th MAB 9th Marine Amphibious Brigade
9th MEB 9th Marine Expeditionary Brigade
NVA North Vietnamese Army
O1-E U. S.-built, single engine, two-seat, prop-driven light observation aircraft built by Cessna.
Ontos U. S.-built, lightly-armored tracked vehicle armed with six coaxially mounted 106mm recoilless rifles. Originally designed as a tank killer, the Ontos is primarily used in Vietnam to support the infantry.
PCV Provisional Corps, Vietnam
PF Popular Forces
PMDL Provisional Military Demarcation Line
RC-292 U. S.-built, elevated, wide-band, modified ground-plane antenna designed to operate
with and increase the distance range of various radio sets.
Recoilless Rifle,106mm, M40A1 U. S.-built, single-shot, recoilless, breech-loaded weapon which weighs 438 pounds when assembled and mounted for firing; it has a sustained rate of fire of 6 rounds per minute and an effective range of 1,365 meters. The weapon can be singly or Ontos mounted.
RF Regional Forces
RLT Regimental Landing Team
Rocket, 122mm A Soviet-built, four-piece, fin-stabilized, 9-foot long rocket weighing 125 pounds; maximum range is approximately 17,000 meters. Launcher tube and mount weigh 121 pounds and are 8.1 feet in length.
RPG-2 A Soviet- and Chinese Communist-built antitank grenade launcher; a smooth-bore, muzzle-loaded, shoulder-fired, recoilless weapon which fires a 40mm spin-stabilized round. The weapon weighs 6.3 pounds, is 3.2 feet in length, has a muzzle velocity of 84 meters per second, and an effective range of 100 meters. Maximum rate of fire is 4-6 rounds per minute utilizing High Explosive Antitank ammunition.
SLF Special Landing Force
S-2 Intelligence section or officer
TA-4 Two-seat trainer model of the A-4 Skyhawk
TAC(A) Tactical Air Controller (Airborne)
TAFDS Tactical Airfield Fuel Dispensing System
Tank, PT-76 Soviet-built, 15.4-ton, amphibious tank with a crew of 3; primary armament is turret mounted 76mm gun and maximum thickness of armor is 0.6 inches.
Tank, M-48 U. S.-built 50.7-ton tank with a crew of 4; primary armament is turret-mounted 90mm gun with one .30 caliber and one .50 caliber machine gun. Can be configured with water fording equipment. Maximum road speed of 32 miles per hour and an average range of 195 miles.
TAOR Tactical Area Of Responsibility
TET Vietnamese Lunar New Year
3d MarDiv 3d Marine Division
III MAF III Marine Amphibious Force
TIO Target Intelligence/Information Officer
TOT Time On Target
UHF Ultra High Frequency
UH-1E Huey Gunship
A single-engine, Marine, light attack/transport helicopter noted for its maneuverability and firepower; carries a crew of three with seven combat troops or three litters, two sitting casualties and a medical attendant, or 3,000 pounds of cargo. It is armed with air to ground rocket packs and fuselage mounted, electrically fired machine guns.
UH-34D A single-engine, Marine, medium transport
Sea Horse helicopter with a crew of three; carries 16-18 combat troops or 8 litters or a normal 5,000 pound payload.
USAF United States Air Force
USA United States Army
USMC United States Marine Corps
USN United States Navy
VC Viet Cong
VFR Visual Flight Rules
VHF Very High Frequency
Viet Minh The Vietnamese contraction for Viet Nam, Doc Lap Nong Minh Hoi, a Communist-led coalition of nationalist groups which actively opposed the Japanese in World War II and the French in the early years of the Indo-China War.
VMA Marine Attack Squadron
VMFA Marine Fighter. /Attack Squadron
VMGR Marine Aerial Refueler Transport Squadron
VMO Marine Observation Squadron
VNAF Vietnamese Air Force
VT Variable Timed fuze for artillery shell which causes airburst over target area.
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