| Acronym | Meaning |
| BECO | Booster Engine Cutoff |
| RME | Radiation Monitoring Experiment |
| TPCE | Tank Pressure Control Experiment |
| DCX | Delta Clipper EXperimental |
| GMS | Geostationary Meterological Satellite |
| IR | InfraRed |
| GEM | Graphite Epoxy Motor |
| HRSI | High-temperature Reusable Surface Insulation |
| NOCC | Network Operations Control Center |
| ASE | Advanced Space Engine |