| Acronym | Meaning |
| HWCI | Hardware Configuration Item |
| AMRIR | Advanced Medium Resolution Imaging Radiometer |
| BEST | Bilan D'energie Du Systeme Tropical |
| ENACEOS | Energetic Neutral Atom Camera For EOS |
| C&C | Consultation And Cooperation Agreement |
| ASAS | Advanced Solid-State Array Sensor |
| DYCOMS | Dynamics And Chemistry Of Marine Stratocumulus |
| ACE-1 | Aerosol Characterization Experiment |
| (C3) | Command |
| MAC | Apple Macintosh Computer |