| Acronym | Meaning |
 | URA | Urine Receptacle Assembly |
| UUT | Unit Under Test |
| FCR | Flight Configuration Review |
| FD | FunCtion Designator |
| SCM | System Control Module |
| OHF | Occupational Health Facility |
| LSF | Laboratory Simulation Facility |
| LSTE | Launch Site Transportation Equipment |
| OPF | Orbiter Processing Facility |
| SLEMU | SPacelab Engineering Model Unit |
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