| Acronym | Meaning |
| LIS | Lightning Imaging Sensor |
| IC | Index Catalog |
| EUVE | Extreme UltraViolet Explorer |
| IPMP | Investigations Into Polymer Membrane Processing |
| MMPO | Mission Management And Planning Office |
| RCT | Radiometric Calibration Target |
| HLC | Heavy Lift Capability |
| ISZ | Iskusstvenniy Sputnik Zemli |
| IOTA | Infrared-Optical Telescope Array |
| FOLD | Federally-Owned LANDSAT Data |