| Acronym | Meaning |
| CCN | Contract Change Negotiation |
| FDLN | Feedline |
| THP | Thrust Horsepower |
| SSM | SPacecraft Systems Monitor |
| PMT | Production Monitoring Test |
| NNI-I | NASA Standard Initiator-Type I (was SMSI) |
| SEM | Space Environment Monitoring |
| MEDICS | Medical Information Computer System |
| VPHD | Vertical Payload Handling Device |
| MBL | Mobile Unit (TACAN Station) |