| Acronym | Meaning |
 | PKD | Programmable Keyboard And Display |
| ENCD | Encode |
| VGOR | Vehicle Ground Operation Requirements |
| SIR-A | Shuttle Imaging Radar@A |
| SMIR | Shuttle Multispectral Infrared Radiometer |
| SSDD | Software System Design Document |
| RRT | Rendezvous Radar Transducer |
| RO | Radar Operator |
| SC | Surface Command |
| FED | Flight Events Demonstration |
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