AFC — Armed Forces Council of South Vietnam
AID — U.S. Agency for International Development
ARVN — Army of the Republic of Vietnam (South Vietnam)
CBUs — Cluster Bomb Units
CCP — Chinese Communist Party
CENTO — Central Treaty Organization
CIA — Central Intelligence Agency (U.S.)
CIDG — Civilian Irregular Defense Group
CMAG — Chinese Military Advisory Group
COSVN — Central Office of South Vietnam (or the Communist High Command Headquarters of all Communist Forces in South Vietnam)
CP — Command Post
CPAG — Chinese Political Advisory Group
DAO — Defense Attaché Office (U.S.)
DOD — Department of Defense (U.S.)
DRVN, or DRV — Democratic Republic of Vietnam (North Vietnam)
FANK — Forces Armées Nationales Khmères, or Cambodian National Armed Forces
FRAC — First Regional Assistance Command in ARVN I Corps and Region (U.S.)
GI — A member of U.S. Armed Forces, especially an enlisted person (GIs: U.S. soldiers)
GVN — Government of Vietnam (South Vietnam)
FPJMT — Four-Party Joint Military Team
JGS, or RVNAF-JGS — Joint General Staff of the Republic of Vietnam Armed Forces (South Vietnam)
ICC — International Control Commission in South Vietnam
ICP — Indochinese Communist Party
MAAG-Vietnam — Military Assistance Advisory Group Vietnam (U.S.)
MACV — Military Assistance Command, Vietnam (U.S.)
MATA — Military Advisory Training Assistance (U.S.)
MEDTC — American Military Equipment Delivery Team, Cambodia (U.S.)
MIA/KIA — Missing in Action/Killed in Action
MIG — A Russian-Built Fighter Aircraft
M5-TEAM — Mission #5, French Intelligence Team in Kunming, China, in 1945
NATO — North Atlantic Treaty Organization
NCO — Non-Commissioned Officer
NLF — National Liberation Front, or the Communist Organization in South Vietnam
NSC — National Security Council (U.S.)
NVA, or PAVN — North Vietnamese Army, or the People’s Army of Vietnam
OPLAN-34A — Operation Plan 34A (U.S.)
OPLAN-37–64 — Operation Plan 37–64 A Bombing Scenario Against North Vietnam (U.S.)
OSS — Office of Strategic Services
PAVN — People’s Army of Vietnam
PLA — People’s Liberation Army
PRC — People’s Republic of China
PRG, or PRGSV — Provisional Revolutionary Government of South Vietnam (Communist Government in South Vietnam)
PT-Boat — Patrol Torpedo Boat
PTF-Boat — Patrol Torpedo Fast Boat
POW — Prisoner of War
RVN — Republic of Vietnam (South Vietnam)
RVNAF — Republic of Vietnam Armed Forces
SAC — Strategic Air Command (U.S.)
SAM — Surface to Air Missile
SEATO — South East Asia Organization
SMM — Saigon Military Mission (U.S.)
SSPL — Sacred Sword Patriot’s League
TAC — Tactical Air Command (U.S.)
374th-TAW — U.S. 374th Tactical Air Wing
TCK-TND — Tổng-Công-Kích/Tổng-Nổi-Dậy, or Communist Total Offensive and General Uprising Campaign
TRIM — Training Relation Instruction Mission (U.S.)
U.S., U.S.A. — The United States of America
USOM U.S. — Overseas Mission
USSR — Union of Soviet Socialist Republics
VC — Việt-Cộng, or the Communists in South Vietnam
VCI — Việt-Cộng Infrastructure
VNAF — Vietnam Air Force (South Vietnam)
VNN — Vietnam Navy (South Vietnam)
VNQDD — Việt Nam Quổc Dân Ɖảng or the Vietnam Nationalist Party