| Acronym | Meaning |
| EXH | Exhaust |
| PCL | Pallet Coolant Loop |
| PETA | Performance Evaluation And Trend Analysis |
| MVT | Mission Verification Test |
| LDS | Landing/Deceleration Subsystem |
| GCF | Ground Communications Facility |
| PI | Pen And Ink (Document Update) |
| CHR | Cooper-Harper Rating |
| SSUS-A | SSUS For Atlas-Centaur Class Spacecraft |
| MFV | Main Fuel Valve |