| Acronym | Meaning |
| FRR | Flight-Readiness Review |
| CNO | Carbon-Nitrogen-Oxygen |
| LM | Lunar Module |
| CASSINI | Saturn Orbiter And Titan Probe |
| NICMOS | Near Infrared Camera/Multi Object Spectrometer |
| TES | Thermal Emission Spectrometer |
| BFS | Backup Flight System |
| BD | Bonner Durchmusterung (catalog) |
| ISO | International Standards Organization |
| SPOT | Systeme Probatoire Pour L'Observation De La Terre |