| Abbreviation | Definition |
|---|---|
| AJ | Anti-Jam |
| AJ.168 | Martel Missile |
| AJ/CM | Anti-Jam Control Modem |
| AJAMS | Anti-Jam Active Millimeter Wave Seeker |
| AJBPO | Area Joint Blood Program Office |
| AJCC | Alternate Joint Communications Center |
| AJCM | Antijam Control Modem |
| AJCM | Anti-Jam Control Modem |
| AJEM | Army Joint Exercise Manual |
| AJF | Allied Joint Force |
| AJFP | Adaptive Joint Force Packaging |
| AJM | Anti-Jam Modem |
| AJMC | Anti-Jam Modem Controller |
| AJMRO | Area Joint Medical Regulating Office |
| AJNPE | Airborne Joint Nuclear Planning Element |
| AJOPS | Army Joint Operations Planning System |
| AJP | Allied Joint Publication |
| AJROTC | Army JROTC |
| AJROTC | Army Junior Reserve Officer Training Corps |
| AJROTC | Army Junior Reserve Officers Training Corps |