| Acronym | Meaning |
| EOSAT | Earth Observation Satellite Company |
| PRC | People's Republic Of China |
| ACRIM | Active Cavity Radiometer Irradiance Monitor |
| ESSC | Earth System Science Committee |
| CAD | Computer-Aided Design |
| CCSDS | Consultative Committee For Space Data Systems |
| GISST | Global Sea Ice And Sea Surface Temperature |
| PDW | Preliminary Design Walk-through |
| EPIC | Engineering Physics Information Center |
| ML | Mesa Laboratory |