| Acronym | Meaning |
| LPOTP | Low Pressure Oxidizer Turbopump |
| ILLUM | Illuminate |
| OFDS | Oxygen Fluid Distribution System |
| FOB | Free On Board |
| MPC | Midbody Pyro Controller |
| MBL | Mobile Unit (TACAN Station) |
| R&OA | Reliability And Quality Assurance |
| CRP | Configuration Requirements Processing |
| EDB | Environmental Data Book |
| ORR | Operations Requirements Review |