| Abbreviation | Definition |
|---|---|
| A-D | Analog to Digital |
| ADA | Aerial Damage Assessment |
| ADA | After Date of Award (of contract) |
| ADA | After Date of Award of contract |
| ADA | Air Defense Area |
| ADA | Air Defense Artillery |
| AdA | Angehorige der Armee |
| ADAC2S | Air Defense Artillery Command and Control System |
| ADACS | Advanced Digital Audio Collection System |
| ADACS | Air Defense Artillery Control System |
| ADACS | Australian Distributed Architecture Combat System |
| ADACS | Avionics Data Acquisition Control System |
| ADAF | Active Duty Air Force |
| ADAFCO | Air Defense Artillery Fire Control Officer |
| ADAL | Authorized Dental Allowance List |
| ADAM | Air Defense Airspace Management |
| ADAM | Architecture Development Analysis Model |
| ADAM | Area Denial Artillery Munition |
| ADAM | Artillery Delivered Anti-Personnel Mine |
| ADAM/BAE | Air Defense Airspace Management/Brigade Aviation Element |