| Acronym | Meaning |
 | FBS | Firefighters Breathing System |
| O | Engineering Order |
| IT | Identification Transponder |
| FCF | First Captive Flight |
| PT | Point |
| SSFS | Space Shuttle Functional Simulator |
| MMS | Mission Modular Spacecraft |
| PDP | Preliminary Definition Plan |
| DUPLX | Duplex |
| COMPT | COmPartment |
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