| Acronym | Definition |
|---|
| AATD➣Aviation Applied Technology Directorate |
| AATD➣Alpha-1 Antitrypsin Deficiency |
| AATD➣Advanced Aviation Training Device |
| AATD➣Army Advanced Technology Demonstration |
| AATD➣Adapted Alternating Treatments Design |
| AATD➣Automated Articulation Testing Device |