| Acronym | Meaning |
| SPIF | Standard Payload Interface Facility |
| PAD | Propellant Acquisition Device |
| PSP | Payload Specialist Panel |
| FEC | Forward Events Controller |
| PBDM | Payload Bay Door Mechanism |
| IFM | In-FlightMaintenance |
| V | Voltage |
| LCB | Least Common Bit |
| IPS | Interrange Instrumentation Group |
| ORR | Operations Requirements Review |