| Acronym | Meaning |
| FPD | Flight Projects Directorate |
| SHARE | Space Station Heat Pipe Advanced Radiator Element |
| NESDIS | National Environmental Satellite Data And Information Service. |
| HTVL | Horizontal Takeoff Vertical Landing |
| ASS | Antenna Support Structure |
| NICMOS | Near Infrared Camera/Multi Object Spectrometer |
| GOSAMR | Gelation Of Soils: Applied Microgravity Research |
| DOR | Differenced One-way Range |
| ACRV | Astronaut Crew Rescue Vehicle |
| IGBP | International Geosphere/Biosphere Programme |