| Abbreviation | Definition |
|---|---|
| ASW | Antisubmarine Warfare |
| ASW | Anti-Submarine Warfare |
| ASW | Average Surface Wind |
| ASWB | Anti-Submarine Warfare Base |
| ASWBPL | Armed Services Whole Blood Processing Laboratory |
| ASWC | Anti Submarine Warfare Commander |
| ASWD | Anti-Submarine Warfare Director |
| ASWD | Army Special Weapons Depot |
| ASWE | Anti-Submarine Warfare Establishment |
| ASWIXS | Anti-Submarine Warfare Information eXchange System |
| ASWO | Anti-Submarine Warfare Officer |
| ASWORG | Anti-Submarine Warfare Operational Research Group |
| ASWR | Attack Sensing Warning Response |
| ASWR | Attack Sensing Warning & Response |
| ASWT | Air and Surface Weapons Technology |
| ASWT | Ateriel Submunition Warhead Technology |
| ASWTR | Anti-Submarine Warfare Training Range |
| AS-X-10 | Karen Missile |
| AT | Absolute Terror |
| AT | Acceptance Test |