| Acronym | Meaning |
| ENG | Engine |
| NPN | NASA Part Number |
| EMPGS | Electrical/Mechanical Power Generation SubsYstem |
| FTOH | Flight Test Operations Handbook |
| NORMAL | LoadNormal Load Factor (g) |
| MDRS | Mission Data Retrieval System |
| SCAPE | Self-contained Atmosphere Protective Ensemble |
| FPCA | Forward Power Controller Assembly |
| GAC | Ground Attitude Control |
| DISP | Dispenser |