| Acronym | Meaning |
| IPCC | Intergovernmental Panel On Climate Change |
| TOS | Tiros Operational Satellite |
| SI | Solar Interiors Section |
| NEXUS | Next Upper Air Sounder (system) |
| DAC | Director's Advisory Committee |
| ABFEL | Air-based Free-electron Laser |
| LFC | Large Format Camera |
| SH | Southern Hemisphere |
| CBL | Convective Boundary Layer |
| ISOC | Integrated Science Operations Center |