| Abbreviation | Definition |
|---|---|
| ATMAC | Air Traffic Management Automated Center |
| ATMCT | Air Terminal Movement Control Team |
| ATMDE | Army Theater Missile Defense Element |
| ATMHS | Automated Text Message Handling System |
| ATMP | Air Target Materials Program |
| ATN | Army Training Network |
| ATN | Assign Threshold Negative |
| ATO | Air Target Officer |
| ATO | Air Tasking Order |
| ATO | Alpha To Omega |
| ATO | Ammunition Technical Officer |
| ATO | Anti-Terrorism Officer |
| ATOC | Air Defense/ TMD ( Theater Missile Defense) Operation Center |
| ATOC | Air Defense/ TMD (Theater Missile Defense) Operation Center |
| ATOC | Air Tactical Operations Center |
| ATOC | Allied Tactical Operations Center (NATO) |
| ATOIC | Anti-Terrorism Operations and Intelligence Cell |
| ATOM | Automated Operation Manual |
| ATOR | At Time Of Report |
| ATOX | Air Tasking Order Express |