| Acronym | Meaning |
 | DF | Direction Finder (Finding) |
| SPT | Steering Position Transducer |
| R | Gas Constant |
| TIO | Target Insertion Orbit |
| MMLS | Model-Modes-Loads-Stresses |
| HS | Horizon Sensor |
| TRS | Teleoperator Retrieval System |
| TS | Technical Support (KSC Directorate) |
| TUL | Tula Peak |
| FED | Flight Events Demonstration |
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