| Acronym | Meaning |
| MEP | Main Entry Point |
| HMP | Hydrozene Monopropeflant (RCS Propellant) |
| SPCC | STS Processing Control Center |
| LC | Incremental Cost |
| R | Range Rate |
| OMRSD | Document |
| ETS | External Tank System (Subsystem) |
| PCI | Product Configuration Identification |
| HSF | Hypergot Servicing Facility |
| CW | Continuous Wave |