| Acronym | Meaning |
 | RR | Range Rate |
| TVC | Thrust Vector Control |
| REGEN | Regenerate |
| PCTE | Portable Commercial Test Equipment |
| STM | Signal Termination Module |
| OHF | Occupational Health Facility |
| IPS | Instrument Pointing System (Subsystem) |
| UCS | UnUtilities Control System |
| FITH | Fire-in-the-Hole |
| MHA | Multiple Headset Adapter |
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