| Acronym | Meaning |
| FPS | Flight Per Second |
| UPP | User Parameter Processing |
| BP | Constant |
| SPD | R Software Preliminary Design Review |
| MOCR | Mission Operations Control Room |
| DFRN | PRESSDifferential Pressure |
| P&SM | Procurement And Subcontract Management |
| H | LTLHigh Level Test Language |
| FPB | Fuel Preburner |
| LOAP | List Of Applicable Publications |