| Acronym | Meaning |
| MDD | Mate/Demate Device |
| SPIDF | Support Planning Identification File |
| GOMS | GrGOMSGround Operations Management System |
| OB | Operational Base |
| FIAR | Failure Investigation Action Report |
| CIG | Communications And Interface Group |
| SSC | Subsystem Computer |
| FOPS | Flight Operations Planning Schedule |
| TRS | Tug Rotational System |
| RLG | Ring Laser Gyro |