| Acronym | Meaning |
| DRG | Digital Ranging Generator |
| BSM | Booster Separation Motor |
| PCB | Printed Circuit Board |
| IFA | In-FlightAnalyses |
| FT | Flight Test |
| GCE | Ground Checkout Equipment |
| PSSP | Payload Specialist Station Panel |
| SIS | Shuttle Interface Simulator |
| DE | Design Engineering (KSC Dir.) |
| FCOS | Flight Control Operational Software |