| Acronym | Meaning |
| SPCC | STS Processing Control Center |
| MCP | Monitoring And Control Panel |
| COQ | Certificate Of Qualification |
| PCDU | Payload Command Decoder Unit |
| NLG | Nose Landing Gear |
| CCS | Central Control Section |
| CADS | Command And Data Simulator |
| GOPG | GrGOPGGround Operations Planning Group |
| PDL | Procedure Distribution List |
| GSCU | Ground Service Cooling Unit |