| Abbreviation | Definition |
|---|---|
| AIRTEVRON | Naval Air Test and Evaluation Squadron |
| AIRTEVRONONE | Naval Air Test and Evaluation Squadron 1 |
| AIS | Abbreviated Injury Scale |
| AIS | Accountable Instruction System |
| AIS | ADN (Advanced Digital Network) Interface Simulator |
| AIS | ADN Interface Simulator |
| AIS | Advanced Indication System |
| AIS | Adversary Information System |
| AIS | Airborne Intelligence System |
| AIS | Alarm Indication Signal |
| AIS | Army Information System |
| AIS | Audio Intercommunications System |
| AIS | Automated Information System |
| AIS | Automatic Identification System |
| AIS | Autonomous Intelligence Submunition |
| AIS | Avionics Intermediate Shop |
| AISR | Army Institute of Surgical Research |
| AISSAP | Automated Information System Security Assessment Program |
| AIT | Action Item Tracking |
| AIT | Advanced Individual Training |