| Acronym | Meaning |
 | SLS | Spacelab Simulator |
| IPS | Inches Per Second |
| STU | Star Tracker Unit |
| TWT | Trisonic Wind Tunnel (Rockwell) |
| SAB | Spacecraft Assembly Building |
| MOS | Metal Oxide Semiconductor |
| PM | Payload Management |
| ULO | Unmanned Launch Operations |
| SDS | Software Design Specification |
| CGC | Command Guidance Computer |
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