| Acronym | Meaning |
![](file.png) | SI | Center Support Operations (KSC Directorate) |
![](file.png) | TRI | Payload Furnished Mars Tape Recorder (1 Of 2) |
![](file.png) | PCC | Payload Control And Checkout |
![](file.png) | S/C | Software Contractor |
![](file.png) | HYDROGEN | ReHydrogen Relief |
![](file.png) | EX | Executive Management Office (KSC Directorate) |
![](file.png) | D/L | Downlist |
![](file.png) | BSDP | Booster Stage Discharge Pressure |
![](file.png) | DEST | Destination |
![](file.png) | CCP | Charge Capacitance Probe |