| Acronym | Meaning |
| CSR | Check Signal Return |
| LOE | Line Of Effort |
| FCC | Flight Control Computer |
| QAR | Quality Assurance Responsible/Witness |
| VO | Space Vehicle Operations (KSC Dir.) |
| MPAD | Mission Planning And Analysis Division (JSC) |
| PIECP | Preliminary Impact Engineering Change Proposal |
| D | Drag |
| MVF | Manned Vertical Flight |
| EPS | ExPerimental Power Supply |