| Acronym | Meaning |
| EDPM | Electronic Data Processing Machine |
| UDB | Update Buffer |
| FCP | Flight Correction Proposal |
| PIPA | Pulse Integrating Pendulum Accelerometers |
| MSS | Manufacturers Standardization Society |
| SSE | SubsYstem Support Equipment |
| ESS | Essential |
| FSR | Final System Release |
| TDR | Test Discrepancy Report |
| BOT | Beginning Of Tape |