| Acronym | Meaning |
 | RTHC | Rotation-Translation Hand Controller |
| MRF | Maintenance Responsibility File |
| S&A | Safe And Arm (Device) |
| RG | Radio Guide |
| SSA | Shuttle Simulation Aircraft |
| ED | Edge Distance |
| NPD | NASA PolicyDirective |
| OSMP | Operational SuPport Maintenance Plan |
| PMI | Preventive Maintenance Instruction |
| GSTDN | Ground Space Flight Tracking And Data Network |
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