| Abbreviation | Definition |
|---|---|
| ATF | All Try Fire |
| ATF | Alliance Task Force |
| ATF | Amphibious Task Force |
| ATFES | Army Tactical Frequency Engineering System |
| ATFL | American Task Force for Lebanon |
| ATFLIR | Advanced Targeting Forward Looking Infra Red |
| ATFP | Anti Terrorism Force Protection |
| ATFT | Advanced Training Fitness Test |
| ATG | Amphibious Task Group |
| ATG | Antenna Transceiver Group |
| ATG | Anti-Tank Gun |
| ATG | Assign Trunk Group Cluster |
| ATGAR | U.S. Air Force's Anti-Tank Guided Aircraft Rocket |
| ATGL | Anti-Tank Grenade Launcher |
| ATGM | Anti Tank Guided Missile |
| ATGM | Anti-tank Guided Missile |
| ATGMs | Anti-Tank Guided Missiles |
| ATGW | Anti Tank Guided Weapon |
| ATGW | Anti Tank Guided Weapons |
| ATGW | Anti-Tank Guided Weapon |