| Acronym | Meaning |
| SPE | Solid Polymer Electrolysis |
| RVDT | Rotary Variable Differential Transducer |
| PEG | Powered Explicit Guidance |
| CSC | Conical Shaped Charge |
| OPSB | Orbiter Processing SuPport Building |
| ME | Miscellaneous Equipment |
| IPS | I RTCMIntegrated Real-Time Contamination Monitor |
| FTS | Functional Test Specifications |
| INTR | Interior |
| ISP | Instrumentation Support Plan |