| Acronym | Meaning |
| OSF | Operational Support Facility |
| NESS | National Earth Satellite Service |
| LBA/TRMM | Large Scale Biosphere-Atmosphere Experiment In Amazonia/Tropical Rainfall Measuring Mission |
| MD | Master Directory |
| SLAR | Side-looking Airborne Radar |
| EMAD | Equatorial Middle Atmosphere Dynamics |
| NACCAM | National Coordinating Committee On Aviation Meteorology |
| TAGS | Text And Animation Graphics Server |
| VRR | Visual Radio Range |
| AO | Administrative Order |