| Acronym | Meaning |
 | ET | External Tank |
| RDX | Cyclotrimethylenetrinitramine |
| SMG | SPaceflight Meteorology Group |
| PHF | Personal Hygiene Facility |
| NDT | Nondestructive Test |
| OMPR | Operational Maintainability Problem Reporting |
| OCDR | Orbiter Critical Design Review |
| SSPTF | Santa Susana Propulsion Test Facility (see SSFL) |
| MV | Manufacturing Verification |
| SST | Subsystem Terminal On Spacelab |
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