ACAV—armored cavalry assault vehicle
AK-47—Russian 7.62-caliber assault rifle
APC—armored personnel carrier M113
Arc Light—B-52 bomb strike
ARP—aerorifle platoon
ARVN—Army of the Republic of Vietnam
BDA—bomb damage assessment
C and C—command and control
CAR-15-—carbine version of M-16 automatic rifle
Charlie Echo—crew chief
chicken plate—ballistic armor chest plate worn by aerial crew members
CH1COM—Chinese Communist
Claymore—antipersonnel mine, directional in nature
Cobra (snake)—Bell AH-IG helicopter gunship with two crew members
CS grenade—riot control agent similar to tear gas
DEROS—date estimated to return from overseas
didi—Vietnamese slang for get out of here
Dustoff—callsign of medical evacuation helicopters
FAC—forward air controller, prop aircraft for tac air direction
fast mover—jet fighter or bomber
Firefly—UH-IH mounted with spotlights, night observation devices, miniguns, and a .50-caliber machine gun
fox mike—FM radio frequency
frag order—fragmentary order (change in mission)
FSB—fire support base, home to ground and artillery units
Guard—emergency frequency, 243.0 UHF and 121.5 VHF
gun—Cobra or snake AH-IG gunship
hootch—Vietnamese dwelling or American tropical hut
Huey—Bell UH-IH troop carrier with two pilots and two door gunners
hunter-killer team—one AH-IG and one OH-6A
ICU—intensive care unit
KBA—killed by air
KIA—killed in action
Kit Carson scout—former VC or NVA who has defected to the ARVN and scouted for U.S. troops
klick—military slang for kilometer
Loach—Hughes OH-6A light observation helicopter (LOH) with one pilot and one or two gunner-observers LZ—landing zone
M16—Colt 5.56-caliber rifle, standard U.S. government issue M48—M-48A3 main battle tank with 90mm main gun
M113—U.S. armored personnel carrier, basis for ACAV
M551—Sheridan armored airborne reconnaissance vehicle with 152mm main gun
minigun—General Electric 7.62-caliber electric Gatling gun, 2,000 to 4,000 rounds per minute
NDP—night defensive position for armored, mechanized units
Old Man—military slang for commander
OV-10—North American Bronco FAC aircraft with one or two crew members
PBR—patrol boat, riverine with two .50-caliber guns, one .30-caliber machine gun, and one 40mm grenade launcher
Pipe Smoke—UH-ls and CM-47s that recover downed aircraft
PSP—perforated steel plank construction material
push—frequency R
and R—rest and recuperation
red team—two AH-1G Cobra gunships
RESCAP—rescue combat air patrol
rocks—rockets
Rome plow—heavy bulldozer for clearing jungle
RPD—Chinese copy of Russian PK crew-served 8mm machine gun
RPG—rocket-propelled grenade
RTO—radio telephone operator
satchel charge—explosives charge
SGM—Russian .30-caliber crew-served medium machine gun
sitrep—situation report
slick—UH-1H, same as Huey
snake and nape—retarded speed bombs and napalm
Spooky/Spectre/Shadow—USAF fixed-wing gunships—AC-47, AC-130, and AC-119
squadron—unit containing four troops
tac air—tactical air, same as fast movers
TAOR—tactical area of operational responsibility
TOT—turbine outlet temperature
troop—armor or aviation unit, two hundred men, forty vehicles
Uniform—UHF radio frequency
USARV—U.S. Army Republic of Vietnam
VC—Viet Cong
Victor—VHF radio
VNAF—Vietnamese Air Force
VR—visual reconnaissance
white team—two OH-6A scouts
Willie Pete—white phosphorous
Zippo—flamethrower mounted on M-113 vehicle