| Acronym | Meaning |
| DPP | Data Processing And Software |
| CCIM | Command Computer Input Multiplexer |
| ILS | InstrumentLanding System |
| PPL | Provisioning Parts List |
| TRBL | Troubleshooting |
| MPSR | Mission Profile Storage And Retrieval |
| DEI | Design Engineering Identification |
| DRD | DetailedRequirementsDocument |
| SPRAG | STS Payloads Requirements And AnalYsis Group |
| GPRN | GOAL Test Procedure Release Notice |