| Acronym | Meaning |
| MAB | Mechanical Automation Breadboard |
| TSS | TPS Summary Sheet Control |
| GWA | General Work Area |
| DROG | Drogue |
| KDN | Kinetically Designed Nozzle |
| PRTLS | Powered Return To Launch Site |
| PIL | Procurement Instrument Identification |
| IVA | Intravehicular Activity |
| FLG | Flag |
| FSR | Flight Specific Requirements |