| Acronym | Meaning |
| GHC | Ground Half Coupling |
| MAPS | Measurement Of Atmospheric Pollution From Satellites |
| GITG | Ground Interface Technical Group |
| PBDM | Payload Bay Door Mechanism |
| IDO | InterdivisionalOperations |
| R | Resistance |
| DV | Differential Velocity |
| D | LSC Defense Logistics Service Center |
| HPFT | High-pressure Fuel Turbopump |
| OMPT | Observed Mass Point Trajectory |