| Acronym | Meaning |
| AOA | Angle Of Attack |
| ETM | Enhanced Thematic Mapper |
| HTHL | Horizontal Takeoff Horizontal Landing |
| ICE | International Cometary Explorer |
| WD | White Dwarf |
| OCTS | Ocean Color And Temperature Scanner |
| SOFIA | Stratospheric Observatory For Infrared Astronomy |
| ET | External Tank |
| MODIS-T | MODIS-Tilt |
| NAS | Numerical Aerodynamic Simulation |