| Abbreviation | Definition |
|---|---|
| AABNCP | Advanced AirBorne National Command Post |
| AABWS | Amphibious Assault Bulk Water System |
| AAC | Acquisition Advice Code |
| AAC | Activity Address Code |
| AAC | Advanced Armament Corporation |
| AAC | Alaskan Air Command |
| AAC | Army Acquisition Corps |
| AAC | Army Air Corps |
| AAC | At Any Cost |
| AAC | Attack Aircraft Command |
| AAC | Australian Army Cadets |
| AACA | Army Airlift Clearance Authority |
| AACC | Australian Army Catering Corps |
| AACE | Aircraft Alerting Communication EMP (Electro-Magnetic Pulse) |
| AACG | Air Assault Compact Grader |
| AACG | Arrival Airfield Control Group |
| AACL | Attention Affect Check List |
| AACOB | Army Automation Command Operating Budget |
| AACOMS | Army Area Communications System |
| AACS | Airborne Alternate Control Station |