| Acronym | Meaning |
| MPSR | Multipurpose Support Room |
| RCY | Recovery |
| CIRCUM | Circumference |
| LL | Lower Limit |
| PGHM | Payload Ground Handling Mechanism |
| DCC | Digital Communications And Control Unit |
| CTPD | Crew Training And Procedures Division (JSC) |
| HSC | Hardware/Software Coordination |
| CL | Close (Closed) |
| NIA | NNIA NOVA Interface Adapter |