| Acronym | Meaning |
| MDD | Mate/Demate Device |
| SPL | System Programming Language |
| FUD | First Use Date |
| MMPSE | Multiuse Mission Payload Support Equipment |
| FRD | Flight Requirements Document |
| PAD | Preliminary Advisory Data (Crew Data Uplink) |
| TER | Time Estimating Relationship |
| ORSDI | Oak Ridge Selective Dissemination Of Information |
| MDAR | Malfunction Detection |
| B/A | Bank Angle |