| Acronym | Meaning |
| CHG | Charge |
| SDSS | Space Division Shuttle Simulator |
| VL | Expendable Vehicles (KSC VO Dir.) |
| MTVC | Manual Thrust Vector Control |
| MTEC | Maintenance Test Equipment Catalog |
| EGA | Evolved Gas Analysis |
| SEG | Segment |
| LB | Launch Bus |
| PCM | E Pulse-Code Modulation Event |
| SWP | Safe Working Pressure |