| Acronym | Meaning |
| PYRO | Pyrotechnics |
| COAS | Course Optical Alignment Sight |
| VLPS | Vandenberg Launch Processing System |
| GCOS | Ground Computer Operating System |
| PDR | Preliminary Design Review |
| GTCU | Ground Thermal Conditioning Unit |
| MACH | Velocity Relative To The Speed Of Sound |
| M | Manual |
| GE | General Electric |
| HL | High Level |