AA missile - antiaircraft missile
AJAG - military lawyers
AWOL - absent without leave
BW - biological warfare
CO - Commanding Officer
CofS - Chief of Staff
CONUS - Continental United States
CP - command post
C.P.O. - chief petty officer
CQ - charge of quarters
CW - chemical warfare
DR - delinquency report
GOC - general officer commander
IQ - intelligence quotient
IR - infrared searchlight
KIA - killed in action
KP - kitchen police
LJG - lieutenant junior grade
LST - landing chip, tank
MARS - military affiliated radio system
MC - Master of Ceremonies
MG - machine-gun
MIA - missing in action
MP - Member of Parliament
MP - military police
NavSec - Navy Secretary
NCO - noncommissioned officer
NCOIC - noncommissioned officer in charge
NVA - North Vietnamese Army
OER - officer efficiency report
O. i/c Administration (G) - Officer in charge Administration (General)
OOD - officer of the day
PFC - Private First Class
PX - post-exchange
Q&A - questions and answers
R&D - research and development
ROTC - Reserve Officers Training Corps
SMG - submachine-gun
TDY - temporary duty
TI hour - troop information hour
USALCOM - United States Alascan Command
VOLAR - voluntary army
WAC - Women's Army Corps
WAVES - Women Accepted for Voluntary Emergency Service
WIA - wounded in action
XO - executive officer