| Acronym | Meaning |
 | RDP | Receiver And Data Processor |
| PA | Pad Abort |
| TR/SBS | Teleoperator Retrieval/Skylab Boost System |
| PFL | Primary Freon Loop |
| END | EFF End Effector |
| MTU | Master Timing Unit |
| OSTS | Office Of Space Transportation Systems |
| TRN | Trunnion |
| ESS | Environmental Support System |
| SE&I | SYstems Engineering And Integration |
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