| Acronym | Meaning |
| RF | Radio Frequency |
| OIA | Orbiter Interface Adapter |
| IDA | Interface Display Assembly |
| PDRS | Payload Deployment And Retrieval System(s) |
| FCP | Flight Correction Proposal |
| S | Second |
| HAC | Heading Alignment Cone |
| CIU | Communication Interface Unit |
| FCTB | Flight Crew Training Building |
| DPP | Discrepancy R12POrt |