TABLE OF CONTENTS | AA | Air-to-Air (or Anti-Aircraft) | |
| AAA | Antiaircraft Artillery | |
| AAAM | Air-to-Air Attack Management | |
| AAAW | Air-launched Anti-Armor Weapon | |
| AAM | Air-to-Air Missile | |
| AARGM | Advanced Anti-Radiation Guided Missile | |
| AAWS-M | Advanced Antitank Weapons System-Medium | |
| ABICS | Ada-Based Integrated Control System | |
| ABL | Airborne Laser | |
| ABM | Anti-Ballistic Missile (also, Air Breathing Missile) | |
| ABR | Agile Beam fire control Radar (used in the F ?16's) | |
| AC 2ISR | Airborne Command & Control, Intelligence, Surveillance and Reconnaissance | |
| ADOCS | Advanced Digital Optical Control System | |
| AESA | Active Electronically Scanned Arrays | |
| AEW &C | Airborne Early Warning and Control | |
| AFCS | Automatic Flight Control System | |
| AGM | Air-to-Ground Missile (or Air-launched Surface-attack Guided Missile) | |
| AGNC | Adaptive Guidance, Navigation, and Control | |
| AI | Artificial Intelligence | |
| AIM | Air-Interceptor Missile (or Air-launched Intercept-aerial Guided Missile) | |
| ALCM | Air-Launched Cruise Missile | |
| ALS | Advanced Launch System | |
| AMAS | Automated Maneuvering Attack System | |
| AMRAAM | Advanced Medium-Range Air-to-Air Missile ( AIM-120) | |
| APT | Acquisition, Pointing, and Tracking | |
| ARM | Antiradiation Radar Missile (also Antiradar Missile) | |
| ASARG | Advanced Synthetic Aperture Radar Guidance | |
| ASARS | Advanced Synthetic Aperture Radar System (seen as ASARS-2) | |
| ASM | Air-to-Surface Missile (also, Antiship Missile) | |
| ASRAAM | Advanced Short-Range Air-to-Air Missile ( AIM-132) | |
| ASROC | Anti-Submarine Rocket | |
| ASW | Antisubmarine Warfare | |
| AT | Aerial Target | |
| ATA | Automatic Target Acquisition | |
| ATACMS | Army Tactical Missile System | |
| ATB | Advanced Technology Bomber (e.g., B-2) | |
| ATBM | Anti-Tactical Ballistic Missile | |
| ATC | Automatic Target Cueing | |
| ATCSD |
