| Acronym | Meaning |
 | FTS | Flight Telerobotic Servicer |
| SIR | Shuttle Imaging Radar |
| RF | Radio Frequency |
| VLF | Very Low Frequency |
| ARTEMIS | Advanced Relay TEchnology MISsion |
| KPNO | Kitt Peak National Observatory |
| VRM | Venus Radar Mapper |
| SHARE | Space Station Heat Pipe Advanced Radiator Element |
| ASS | Antenna Support Structure |
| HUT | Hopkins Ultraviolet Telescope |
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