| Acronym | Meaning |
| UTC | Universal Time Coordinate Or Coordinated Universal Time |
| IPM | Interpersonal Messaging |
| APPLY | Parallel Program Generation |
| OLR | Outgoing Longwave Radiation |
| LME | Layer Management Entity |
| ARD | Air & Radiation Division |
| EOS-A | First NPOP |
| HIRIS | High Resolution Imaging Spectrometer |
| IACOMS | International Advisory Committee On Marine Sciences |
| GARP | Global Atmospheric Research Program |