| Acronym | Meaning |
| FRSI | Flexible Reusable Surface Insulation |
| ACRV | Assured Crew Return Vehicle |
| MJD | Modified Julian Date |
| CG | Center Of Gravity |
| CTIO | Cerro Tololo Interamerican Observatory |
| MOTV | Manned Orbital Transfer Vehicle |
| DOMSAT | Domestic Satellite |
| IMU | Inertial Measurement Unit |
| HAINS | High Accuracy Inertial Navigation System |
| ISAMS | Improved Stratospheric And Mesospheric Sounder |