| Acronym | Meaning |
| OH | Overhaul |
| PIU | Pyrotechnic Initiator Unit |
| TSA | Test Start Approval |
| PLMS | Program Logistics Master Schedule |
| SCFH | Standard Cubic Feet Per Hour |
| SCO | Stiper Critical Oxygen |
| DCP | Depot Condemnation Percent |
| GN2 | GaGN2Gaseous Nitrogen |
| QPS | Quality Planning Specification |
| MSFN | Manned Space Flight Network |