| Acronym | Meaning |
![](file.png) | SCC | Safety Control Center |
![](file.png) | OPLF | Orbiter Processing And Landing Facility |
![](file.png) | IPS | Inverter Power Supply |
![](file.png) | BFCS | Backup Flight Control System |
![](file.png) | CW | Command Word |
![](file.png) | COMAS | Combined Orbital Maneuvering And Abort System |
![](file.png) | IPS | Initiating Reference Document |
![](file.png) | SUPV | Supervisor |
![](file.png) | PRSD | Power Reactant Storage And Distribution |
![](file.png) | ELVN | Eleven |