| Acronym | Meaning |
 | TDRSS | Tracking And Data Relay Satellite System |
| HPI | High Performance Insulation |
| DOT/CIAP | DOT Climatic Impact Assessment Program |
| UPS | Uninterruptible Power Supply |
| PCMMU | PCM Master Unit |
| EQUIV | Equivalent |
| RTV | Room-temperature Vulcanizing |
| OLSA | Orbiter/LPS Signal Adapter |
| LE | Launch Escape |
| CHUTE | Parachute |
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