| Acronym | Meaning |
 | SOA | RShuttle Orbital Applications And Requirements |
| PLVC | Postlanding Vent Control |
| POPA | PaYload Ordnance Processing Area |
| GRE | Gamma Ray Explorer |
| OPR | Office Of Primary Responsibility |
| PRR | Parts Replacement Request |
| FY | Fiscal Year |
| TSSU | Test Signal Switching Unit |
| ESA | ExPlosive Safe Area |
| MERL | Materials Equipment Requirement List |
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