| AA |
Antiaircraft |
| AAR |
After action report |
| ACCWS |
Assistant Chief, Chemical War Service |
| ACmlC |
Army Chemical Center |
| ACofS |
Assistant Chief of Staff |
| ADSEC |
Advance Section, Communications Zone |
| ADSOS |
Advance Services of Supply |
| Adv |
Advance |
| AEAF |
Allied Expeditionary Air Forces |
| AEF |
American Expeditionary Forces |
| AF |
Air Force |
| AFHQ |
Allied Force Headquarters |
| AFMIDPAC |
U.S. Army Forces, Middle Pacific |
| AFPAC |
U.S. Army Forces, Pacific |
| AFSC |
Air Force Service Command |
| AG |
Adjutant General |
| AGF |
Army Ground Forces |
| AGWAR |
Adjutant General, War Department |
| Amphib |
Amphibian; amphibious |
| AO |
Air officer |
| ASC |
Air Support Command |
| ASF |
Army Service Forces |
| ASP |
Ammunition supply point |
| BADA |
Base Air Depot Area |
| BAR |
Browning automatic rifle |
| Bomb |
Bombardment |
| BW |
Biological warfare |
| ca. |
circa |
| CCWS |
Chief, Chemical Warfare Service |
| CENPAC |
Central Pacific Area |
| CG |
Commanding general |
| CinC |
Commander in Chief |
| CINCPAC |
Commander in Chief, Pacific Fleet |
| CINCSWPA |
Commander in Chief, Southwest Pacific Area |
| CCmlO |
Chief chemical officer |
| CM-IN |
Classified message, incoming |
| Cml |
Chemical |
| CmlC |
Chemical Corps |
| CMLHO |
Chemical Corps Historical Office |
| CmlO |
Chemical officer |
| CM-OUT |
Classified message, outgoing |
| CPBS |
Central Pacific Base Command |
| CO |
Commanding officer |
| Co |
Company |
| CofOrd |
Chief of Ordnance |
| CofS |
Chief of Staff |
| CofT |
Chief of Transportation |
| Comdr |
Commander |
| COMINCH |
Commander in Chief, U.S. Fleet |
| COMZ |
Communications Zone |
| CONAD |
Continental Advance Section |
| Conti |
Control |
| Corresp |
Correspondence |
| COSSAC |
Chief of Staff to the Supreme Allied Commander |
| CP |
Command post |
| CPBC |
Central Pacific Base Command |
| CTF |
Center Task Force |
| CWS |
Chemical Warfare Service |
| CWSO |
Chemical Warfare Service Officer |
| CWTC |
Chemical Warfare Technical Committee |
| DA |
Department of the Army |
| DANC |
Decontaminating agent, noncorrosive |
| DCCWS |
Deputy Chief, Chemical Warfare Service |
| DF |
Disposition form |
| Dir |
Director |
| Dist |
District |
| Distr |
Distribution |
| EBS |
Eastern Base Section |
| EEIST |
Enemy equipment intelligence service team |
| ETO |
European Theater of Operations |
| ETOUSA |
European Theater of Operations, U.S. Army |
| ExO |
Executive officer |
| FEC |
French Expeditionary Corps |
| FECOMZ |
Forward Echelon, Communications Zone |
| FETU |
Far Eastern Technical Unit |
| FM |
Field manual |
| FS |
CWS symbol for a solution of sulphur trioxide in chlorosulfonic acid, a smoke mixture |
| FUSA |
First U.S. Army |
| FUSAG |
First U.S. Army Group |
| G-1 |
Personnel section of divisional or higher staff |
| G-2 |
Intelligence section of divisional or higher staff |
| G-3 |
Operations section of divisional or higher staff |
| G-4 |
Supply section of divisional or higher staff |
| GHQ |
General Headquarters |
| GO |
General Orders |
| Gp |
Group |
| HC |
Symbol for hexachloroethane, a smoke mixture |
| HE |
High explosive |
| Hist |
Historical |
| Hq |
Headquarters |
| Incl |
Inclosure |
| Ind |
Indorsement |
| Instr |
Instruction |
| Intel |
Intelligence |
| Interv |
Interview |
| IOM |
Interoffice memo |
| Lab |
Laboratory |
| LCI |
Landing craft, infantry |
| LCI(A) |
Landing craft, infantry (ammunition) |
| LCM |
Landing craft, mechanized |
| LCT |
Landing craft, tank |
| LCVP |
Landing craft, vehicle and personnel |
| Lib |
Library |
| LST |
Landing ship, tank |
| LVT |
Landing vehicle, tracked |
| LVT(4) |
Landing vehicle, tracked, unarmored |
| Maint |
Maintenance |
| MBS |
Mediterranean Base Section |
| Mil |
Military |
| Min |
Minutes |
| MPR |
Monthly progress report |
| MSR |
Material status report |
| MTOUSA |
Mediterranean Theater of Operations, U.S. Army |
| NATO |
North African Theater of Operations |
| NATOUSA |
North African Theater of Operations, U.S. Army |
| NCO |
Noncommissioned officer |
| NDRC |
Nation Defense Research Committee |
| NYPE |
New York Port of Embarkation |
| OCCWS |
Office of the Chief of the Chemical Warfare Service |
| OCS |
Officer candidate school |
| Off |
Office |
| OP |
Observation post |
| OPD |
Operations Division |
| Opn |
Operation |
| Ord |
Ordnance |
| Orgn |
Organization |
| OSRD |
Office of Scientific Research and Development |
| PBS |
Peninsular Base Section |
| PCD |
Panama Canal Department |
| Per |
Periodic |
| Pers |
Personal; Personnel |
| Phila |
Philadelphia |
| POA |
Pacific Ocean Areas |
| POW |
Prisoner of war |
| PROCO |
Projects for continental operation |
| Proj |
Project |
| PT |
Patrol boat, motor torpedo boat |
| RAF |
Royal Air Force |
| Rcd |
Record |
| RCT |
Regimental combat team |
| Rpt |
Report |
| Rqmts |
Requirements |
| S-3 |
Operations officer or section of regimental or lower staff |
| Sec |
Section |
| Serv |
Service |
| SG |
Smoke generator |
| SHAEF |
Supreme Headquarters, Allied Expeditionary Forces |
| SOLOC |
Southern Line of Communications |
| SOPAC |
South Pacific Area |
| SPBC |
South Pacific Base Command |
| SPOBS |
Special Observer Group |
| SOS |
Services of Supply |
| Sup |
Supply |
| SWPA |
Southwest Pacific Area |
| T/A |
Table of allowances |
| TAG |
The Adjutant General |
| TBA |
Table of basic allowances |
| TDMR |
Technical Division Memo Report |
| Tech |
Technical |
| TF |
Task Force |
| TM |
Technical manual |
| Tng |
Training |
| TOE |
Table of organization and equipment |
| TofO |
Theater of Operations |
| TUSA |
Third U.S. Army |
| UGNCO |
Unit gas noncommissioned officer |
| UGO |
Unit gas officer |
| USAFBI |
U.S. Army Forces in the British Isles |
| USAFFE |
U.S. Army Forces in the Far East |
| USAFIA |
U.S. Army Forces in Australia |
| USAFICPA |
U.S. Army Forces, Central Pacific Area |
| USAFISPA |
U.S. Army Forces in the South Pacific Area |
| USAFMIDPAC |
U.S. Army Forces, Middle Pacific |
| USAFPOA |
U.S. Army Forces, Pacific Ocean Areas |
| USAR |
U.S. Army Reserve |
| USATC |
U.S. Assault Training Center |
| USASOS |
U.S. Army Services of Supply |
| USCWC |
U.S. Chemical Warfare Committee |
| USFET |
U.S. Forces in the European Theater |
| USSBS |
U.S. Strategic Bombing Survey |
| USSTAF |
U.S. Strategic Air Forces |
| VLR |
Very long range |
| WD |
War Department |
| WDGS |
War Department General Staff |
| WP |
White phosphorus |
| WPD |
War Plans Division |
| WTF |
Western Task Force |
| ZI |
Zone of interior |