| Acronym | Meaning |
| PR | Procurement Requisition |
| SPR | Subcontractor Performance Review |
| SIM | Simulate |
| UTC | Universal Test Console |
| FNL | Final |
| SPP | Simulation Planning Panel |
| DN | Down |
| OPOV | Oxidizer Preburner Oxidizer Valve |
| GCS | Ground Communications System |
| OOMM | Organizational Operations And Maintenance Manual |