| Acronym | Meaning |
 | TCU | TaPe Control Unit |
| PEB | Performance Evaluation Board |
| SAMSOR | SAMSO Regulation (now SDR) |
| FWD | Forward |
| SOP | Secondary Oxygen Pack |
| ODES | Optical Discrimination Evaluation Study |
| SSRD | Station Set Requirements Documents |
| HE | Heat Exchange (Exchanger) |
| FDA | Flight Deck Assembly (FDF) |
| BMAG | Body-Mounted Attitude Gyro |
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