| Acronym | Meaning |
| FWHM | Full Width At Half Maximum |
| FOLD | Federally-Owned LANDSAT Data |
| DSP | Defense Support Program |
| CETA | Crew And Equipment Translation Aid |
| SSTO | Single Stage To Orbit |
| AAS | American Astronomical Society |
| AEPI | Atmospheric Emissions Photometric Imaging |
| GMS | Geostationary Meterological Satellite |
| MDSSC | McDonnell Douglas Space Systems Corp |
| ARTEMIS | Advanced Relay TEchnology MISsion |