| Acronym | Meaning |
| EDC | EROS Data Center |
| RCT | Radiometric Calibration Target |
| SSPS | Sky Survey Prototype System |
| STC | SHAPE Technical Center |
| RCS | Reaction Control System / Revision Control System |
| NESDIS | National Environmental Satellite Data And Information Service. |
| EODC | Earth Observation Data Centre |
| SLF | Shuttle Landing Facility |
| NRL | Naval Research Laboratory |
| KTB | Cretaceous-Tertiary Boundary |