| Abbreviation | Definition |
|---|---|
| AUGTDA | Augmentation TDA |
| AUIB | Aircrew Uniform Integrated Battlefield |
| AUIC | Active Duty Unit Identification Code |
| AUK | Armor Upgrade Kit |
| AUL | Air University Library |
| AUM | Air to Underwater Missile |
| AUM | BMEWS Attack Assessment Update Module |
| AUMF | Authorization for the Use of Military Force |
| AUMF | Authorization to Use Military Force |
| AUP | Advanced Unitary Penetrator |
| AUP | All Units Participating |
| AUR | All-Up-Round |
| AURA | Army Unit Resiliency Analysis |
| AURS | Automated Unit Reference Sheet |
| AURS | Automated Unit Reference Sheets |
| AUS | Army of United States |
| AUS | Australian Universal Solider |
| AUSA | Association of the United States Army |
| AUSTACCS | Australian Tactical Automated Command and Control System |
| AUTH | Authority |