| Abbreviation | Definition |
|---|---|
| ACRA | Airlift Concepts and Requirements Agency |
| ACRB | Acquisition Career Record Brief |
| ACRB | Army Council of Review Boards |
| ACRC | Alternate Control Reporting Center |
| ACRC | Area Calibration and Repair Center |
| ACRF | African Crisis Reaction Force |
| ACRG | Advanced Concepts Research Group |
| ACRL | Acquisition Career Review List |
| ACRM | Aviation Chief Radioman Military |
| ACRO | Aviation Center For Repair And Overhaul |
| ACRONYM | Asociación para el Control, la Regulación, y la Observación de los No-humanos y Magia |
| ACRP | Acquisition Career Record Profile |
| ACRP | Airport Cooperative Research Program |
| ACRS | Arms Control and Regional Security |
| ACRV | Artillery Command and Reconnaissance Vehicle |
| ACS | Advanced Civil Schooling |
| ACS | Advanced Combat Simulations |
| ACS | Advanced Countermine System |
| ACS | Aerial Common Sensor |
| ACS | Agile Combat Support |