| Abbreviation | Definition |
|---|---|
| D&DT | Durability & Damage Tolerance |
| D/EL | Design/Engineering Liaison |
| DA | Determinant Assembly |
| DACIM | Design Automation and Computer Integrated Manufacturing |
| DAE | Design (Designated) Approval Engineer |
| DAE | Design Approval Engineer |
| DAR | Defense Acquisition Regulations |
| DARM | Derivative Assembly Requirements Model |
| DBA | Design Build Agreement |
| DBS | Duty Back-up Standby |
| DBT | Design Built Team |
| DCAC | Define and Control Airplane Configuration |
| DCCS | Design Change Classification System |
| DCMA | Defense Contract Management Agency |
| DCMA | efense Contract Management Agency |
| D-D | Define-Define |
| DDD | Documentation, Diagnosis, and Design |
| DDM | Direct Digital Manufacturing |
| DDMC | Direct Digital Manufacturing Conference |
| DDP | Declaration of Design and Performance |