| Acronym | Meaning |
| SRSS | Shuttle Range Safety System |
| HMV | Hydrogen Manual Valve |
| PDRSTA | Payload Deployment And Retrieval System Test Article |
| INVERTER | AsInverter Assembly |
| HMC | Hypergolic Maintenance And Checkout |
| EOP | Experiments Of Opportunity |
| MRR | Mission Reconfiguration Request |
| SFCS | Survival Flight Control System |
| SDR | Space Division Regulation |
| LUT | Launcher-Umbilical Tower |