ABCA
Army Bureau of Current Affairs

ADC
Army Dental Corps

AMS
Army Medical Staff

APD
Army Pay Department

army
army broker / army contractor

AUS
Army of the United States

AVC
Army Veterinary Corps

BAOR
British Army of the Rhine

IA
Indian Army

invalid out
to invalid somebody out of the army

IRA
Irish Republican Army

mechanized
mechanized army

NAAFI
Navy, Army, and Air Force Institutes

pocketknife
Swiss army Knife

purvey
to purvey for the army

RAAMC
Royal Australian Army Medical Corps

RAAOC
Royal Australian Army Ordnance Corps

RAEC
Royal Army Education Corps

RAF
Red Army Faction / Red Army Fraction

ragtime
ragtime army

RAMC
Royal Army Medical Corps

RAOC
Royal Army Ordnance Corps

RAVC
Royal Army Veterinary Corps

SA
Salvation Army

Sally
Sally Army

TA
Territorial Army

territorial
Territorial Army

Waak
...de 1914-1918 army

WAC
Women's Army Corps

WRAC
Women's Royal Army Corps