| Abbreviation | Definition |
|---|---|
| ATDLP | Army-wide Training and Doctrine Literature Program |
| ATDLS | Advanced Tactical Data Link System |
| ATDM | Adaptive Time Division Multiplexer |
| ATDM | Asynchronous Time-Division Multiplexing |
| ATDP | Army Technology Development Plan |
| ATDS | Advanced Torpedo Defence System |
| ATDS | Airborne Tactical Data System |
| ATDS | Army Tactical Data System |
| ATE | Automated (or Automatic) Test Equipment |
| A-TEAM | Alpha from the title Operational Detachment Alphas |
| ATEAS | Annual Training Evaluator Augmentee System |
| ATEC | Army Test and Evaluation Command |
| ATEC | Automated Test Control |
| ATEDB | Army-wide Test and Evaluation DataBase |
| ATEP | Anti-Terrorism Enterprise Portal |
| ATEX | ATmosphere EXplosive |
| ATF | Acquire The Fire |
| ATF | Advanced Tactical Fighter |
| ATF | Advanced Targeting FLIR (Forward Looking InfraRed) |
| ATF | Air Task Force |