| Acronym | Meaning |
| ETS | Expiration Of Term Of Service (scheduled Date Of Separation From Active Duty); Electronic Time Keeping System; Emergency Temporary Standard; Engineering (and) Technical Services (Request); Engineering Time Standards; Estimating Tracking System; Estimated |
| ACU | Army Combat Uniform; Assault Craft Unit; Annunciator Control Unit; Automatic Calling Unit; Administrative Control Unit |
| APC | Armored Personnel Carrier; Acquisition Professional Community; Accelerated Provision Concepts; Account Processing Code; Activity Process Codes; Agency Program Coordinator; Air Project Coordinator; Aerial Port Commander; Assign Pre-programmed Conference (l |
| OER | Officer Evaluation Report |
| PW | Prisoner Of War |
| O/A | On Or About |
| IRR | Individual Ready Reserve |
| ARCOM | Army Commendation Medal |
| TACSOP | TACtical Standard Operation Procedure. The ?game-plan? That Units Follow When Conducting Tactical Operations. Similar To Sports Team And ?secret? Plays |
| TDY | Temporary Duty/Temporary Divorce For A Year |