| Acronym | Meaning |
| FWHM | Full Width At Half Maximum |
| MTFF | Columbus Man-Tended Free-Flyer |
| TCM | Trajectory Control Maneuver |
| VLF | Very Low Frequency |
| DSP | Defense Support Program |
| HR | Hertzsprung-Russell |
| NOAA | National Oceanic And Atmospheric Administration |
| MFV | Main Fuel Valve |
| ADEOS | Advanced Earth Observing Satellite |
| OMS | Orbital Maneuvering System |