| Acronym | Meaning |
| MGSE | Mechanical Ground Support Equipment |
| VP | Verification Polarization |
| OPBOV | Oxidizer Preburner Oxidizer Valve |
| HEX | Hexadecimal |
| RSS | Rotating Service Structure |
| R/S | RedundantSet |
| CDF | Cool-Down Facility |
| CC | Carbon-Carbon |
| K | Kilo (1000) |
| TDR | Technical Documentation Report |