| Acronym | Meaning |
| PDS | Planetary Data System |
| FRC | Federal Records Center |
| ETL | Environmental Technology Laboratory |
| GISS | Goddard Institute For Space Studies |
| AP | Access Permit |
| IRCTR | International Research Centre For Telecommunication-transmission And RADAR |
| NWSC | National Weather Satellite Center |
| STT | Small Tactical Terminal |
| RF | Radio Frequency |
| SISEX | Shuttle Imaging Spectrometer Experiment |