| Acronym | Meaning |
| CMACS | Central Monitor And Control System |
| HS | Horizon Sensor |
| EPT | Ethylene Propylene Terpolymer |
| CCOH | Corrosive Contaminants |
| FOC | Focus |
| FWD | Forward |
| PRSD | Power Reactant Supply And Distribution |
| MCC | Mission Control Center (JSC) |
| GRTLS | Glide Return To Landing Site |
| FEDP | Facility And Equipment Design Plan |