World War I Abbreviations Quick List

A Quick List of Abbreviations used during World War I in the United States of America

A.A., A.A.A. – antiaircraft artillery
A.B.M.C. – American Battle Monuments Commission
A.C. – Army Corps
A.E.F. – American Expeditionary Forces
aero – aeronautical
A.F.S. – American Field Service
A.G.D. – Adjutant General’s Department
alt – altitude
A.P.O – Army Post Office
A.R.C. – American Red Cross
A.S. – Air Service
A.S.A. – Air Service Aeronautics
A.S.A. P. – Air Service, Aircraft Production.
A.S.M.A. – Air Service Military Aeronatics
A.S.S.C. – Air Service, Signal Corps
Adj. – Adjutant
Art., Arty. – Artillery
Asst. – Assistant
A.U. – Air University
B – Balloon
B.E.F. – British Expeditionary Forces
Bd. – Board
B.I.O. – Branch Intelligence Officer
Bn., Btn. – Battalion
Br. – Branch
B.R.C. – British Red Cross
Brig. Gen. – Brigadier General
Bur. – Bureau
C. – Corps
C.A. – corps d’armee
C.A.C. – Coast Artillery Corps
C.A.M.C. – Canadian Army Medical Corps.
C.A.R.C. – Coast Artillery Reserve Corps
C.A.S. – Chief of Air Command
Capt. – Captain
C.C.E. – Corps of Engineers (Navy)
Cdte – Commandant
C.E. – Civil Engineering
C.E.F. – Canadian Expeditionary Forces
C.Q.M. – Chief Quartermaster
C.Q.M. (A.) – Chief Quartermaster (Aviation)
C.W.S. – Chemical Warfare Service
Capt. – Captain
Cav. – Cavalry
Cl. – Class
Col. – Colonel
Co. – Company
C.O. – Commanding Officer
Corp., Cpl. – Corporal
C.S. – Chief of Staff
D.S.C. – Distinguished Service Cross
D.S.M. – Distinguished Service Medal
demol – demolition
Dept. – Department
Det. – Detachment
D.H. – de Havilland aircraft
Dir. – Director
Dis. – Discharged
Div. – Division
d.o. – ditto
doc – document
dy = duty
E.A. – enemy aircraft
eff – efficiency
Eng. – England
Engrs. – Engineers
Enl. – Enlisted
Ensign (D) – Ensign (Deck Duties)
F.A. – Field Artillery
fme – ferme (farm)
F.O. – field order
Fr. – French
Ft. – Fort
G.B. – groupe de bombardment
G.C. – group de chasse, groupe de combat
G.H.Q. – General Headquarters
G.O. – General Orders
G.S. – General Staff
Gen. – General
Hdgrs., Hq. – Headquarters
H., h. – hour
I.G.D. – Inspect General’s Department
Ind. – Inducted
Inf. – Infantry
J.A. – Judge Advocate
J.A.G. – Judge Advocate General
(j.g.) – Junior Grade
kg – kilogram
kilo – kilometer
Lds. – Landsman
Lt., Lieut. – Lieutenant
ltr – letter
M., m. – mile, meter, minute
Maj. – Major
M.C. – Medical Corps
M.E. – Master Electrician
memo – memorandum
m/m – millimeter
M.G. Bn. – Machine Gun Battalion
M.I.T. – Massachusetts Institute of Technology
M.T.C. – Motor Transport Corps
Med. – Medical
N.A. – National Army
Nat. – National
N.N.V – National Naval Volunteers
no – number
O., obs – observer
observ – observation
O.R.C. – Officers’ Reserve Corps
Ord. – Ordnance
P., p. – pilot, page
par – paragraph
P.C. – Post of Command
P.C.T. – Post of Command of Telegraph
pers – personal
photo – photographic
P.L. – Patrol Leader
P. of A. – Point of Ascension (aeroplane or balloon)
Priv., Pvt. – Private
Prov. – Provisional
Q.M. – Quartermaster
Q.M.C. – Quartermaster Corps.
R.A.F. – Royal Air Force
R.A.M.C. – Royal Army Medical Corps
R.C. – Reserve Corps
rcd. – record
rec. – reconnaissance
rec’d – received
regim. – regiment
R.A. – Regular Army
R.R. – railroad
rsh – research
R.M.A. – Reserve Military Aviator
R.O.T.C. – Reserve Officers’ Training Corps
Regt. – Regiment
Repl. – Replacement
S.A.T.C. – Students’ Army Training Corps
(s.g.) – Senior Grade
S.S.U. – Section Sanitaire Unis
San. – Sanitary
S.C. – Signal Corps
Sec., Sect. – Section, Secretary
Sergt. Sgt. – Sergeant
Sig. – Signal
Sig. R.C. – Signal Reserve Corps
S.O. – Special Orders
S.O.S. – Services of Supply
spec. – special
Sqdn., Sqn. – Squadron
Subj. – Subject
Svc. – Service
(T) – Temporary
T.M.U. – Transport Materiel Unis
T – tome
temp. – temporary
Tr., Trans. – Transferred
U.S.A. – United States Army
U.S.A.A.S. – United States Army Ambulance Service
U.S.M.C. – United States Marine Corps
U.S.N. – United States Navy
U.S.N.R.F. – United States Navy Reserve Force
U.S.S. – United States Ship
U.S.S.C. – United States Submarine Chaser
U.S.S.P. – United States Submarine Patrol
V.B. – Viven Bessiere (grenade, bomb or cartidge thrown by discharger fitted to an infantry rifle)
vis. – visibility
vol. – volume, voluntary
Wrt. – Warrant
Y.M.C.A. – Young Men’s Christian Association
Z. of A. – Zone of Advance.

***ADDITIONAL READING***
List of Authorized Abbreviations from WWI Service Cards [PDF]  (from History For All the People : A State Archives of North Carolina blog).

 

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