| ACoS | assistant chief of staff |
| AGF | Army Ground Forces |
| AIR | airborne infantry regiment |
| AR | Army regulation |
| ATFA–1 | Atomic Field Army–1 |
| CGSC | Command and General Staff College |
| CIA | Central Intelligence Agency |
| CINCFE | Commander in chief, Far East |
| CONARC | Continental Army Command |
| CoS | chief of staff |
| DA | Department of the Army |
| DoD | Department of Defense |
| DZ | drop zone |
| FM | field manual |
| FSR | field service regulations |
| G-1 | personnel |
| G-2 | intelligence |
| G-3 | operations |
| G-4 | logistics |
| GIR | glider infantry regiment |
| ICBM | intercontinental ballistic missile |
| IRBM | intermediate-range ballistic missile |
| JCS | Joint Chiefs of Staff |
| LZ | landing zone |
| MACV | Military Assistance Command—Vietnam |
| MOMAR | Modern Mobile Army |
| NATO | North Atlantic Treaty Organization |
| NCO | noncommissioned officer |
| NDA | National Defense Act |
| NLF | National Liberation Front |
| NSC | National Security Council |
| OSD | Office of the Secretary of Defense |
| PAVN | People’s Army of Vietnam |
| PIR | parachute infantry regiment |
| ROAD | Reorganization Objective Army Division |
| ROCAD | Reorganization of the Current Armored Division |
| ROCID | Reorganization of the Current Infantry Division |
| ROK | Republic of Korea |
| ROTAD | Reorganization of the Airborne Division |
| SAC | Strategic Air Command |
| SAMs | surface-to-air missiles |
| SHAEF | Supreme Headquarters, Allied Expeditionary Forces |
| SSMs | surface-to-surface missiles |
| STRAC | Strategic Army Corps |
| STRAF | Strategic Army Forces |
| TO&E | table of organization and equipment |
| WSEG | Weapons Systems Evaluation Group |