| Abbreviation | Definition |
|---|---|
| ASTEC | Advanced Satellite Technology and EHF Communications |
| ASTIA | Armed Services Technical Information Agency |
| ASTMP | Army Science and Technology Master Plan |
| ASTP | Advance Satellite Technology Program |
| ASTP | Army Specialized Training Program |
| ASTRO | Army Space Technology and Research Office |
| ASTS | Aeromedical Staging Squadron |
| ASTWG | Army Science and Technology Working Group |
| ASU | Approval for Service Use |
| ASU | Army Service Uniform |
| ASUGM | Air-to-Surface Unguided Munitions |
| ASUW | Anti-Surface Warfare |
| ASV | Armored Security Vehicle |
| ASVAB | Armed Forces Services Vocational Aptitude Battery |
| ASVAB | Armed Service Vocational Aptitude Battery |
| ASVAB | Armed Services Vocational Aptitude Battery |
| ASVC | Automatic Secure Voice Communications |
| ASW | Ancient Sith Warriors |
| ASW | Anti - Submarine Warfare |
| ASW | Antis pyware |