| Acronym | Meaning |
![](file.png) | IDMM | Intermediate And Depot Maintenance Manual |
![](file.png) | D&CS | Display And Controls Subsystem |
![](file.png) | HAK | Horizontal Access Kit |
![](file.png) | HL | Hydrogen Line |
![](file.png) | BCE | Backup Control Electronics |
![](file.png) | PRR | Parts Replacement Request |
![](file.png) | CNTRL | Controller |
![](file.png) | ASSY | Assembly |
![](file.png) | SM | IASerial Multiplexer Interface Adapter |
![](file.png) | RECVR | Receiver |