| Acronym | Meaning |
| SDTA | Structural Dynamic Test Article |
| PICS | Photo Index And Cataloging System |
| EOT | End Of Tape |
| T-0 | Takeoff |
| SEE | Special Purpose End Effector |
| DC | Design Change Authorization |
| DI | Discrete Input |
| SSPD | Shuttle System Payload Definition (Study) |
| AWAD | Assembly Work Authorization Document |
| OAST | Office Of Aeronautics And Space Technology |