| Acronym | Meaning |
 | ELS | Elevon Load System |
| RO | Recovery Operations |
| RCC | RoLigh Combustion Cutoff |
| SMVRD | Shuttle Master Verification Requirements Document |
| RPS | Record And Playback System (Subsystem) |
| MMAS | Material Management Accounting (Accountability) System |
| RFI | Radio Frequency Interference |
| CCW | Counterclockwise |
| CSF | Cost Sensitivity Factor |
| GLS | Ground Launch Sequence (Sequencer) |
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