| Acronym | Meaning |
 | EHC | Electrical Heating Control |
| CCRA | Cape Canaveral Reference Atmosphere |
| SIS | Shuttle Information System |
| GNCFTS | GNGNCFTSGN&C Flight Test Station |
| SRF | Shuttle Refurbishment Facility |
| PTS | Payload Transportation System |
| SW | Status Word |
| SSM | Support System Module |
| G&N | Guidance And Navigation |
| CWSU | Caution And Warning Status Unit |
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