| Acronym | Meaning |
| CADH | Communications And Data Handling |
| HUT | Hopkins Ultraviolet Telescope |
| OSC | Orbital Sciences Corporation |
| VLBI | Very Long Baseline Interferometry |
| UHF | Ultra High Frequency |
| CRAF | Comet Rendezvous/Asteroid Flyby |
| LMC | Large Magellanic Cloud |
| NORAD | NORth American Aerospace Defense |
| SAS | Space Activity Suit / Space Adaptation Syndrome |
| SAR | Search And Rescue / Synthetic Aperture Radar |