| Acronym | Meaning |
| AIRS | Advanced Inertial Reference Sphere |
| IMS | Information Management Service |
| PRECIP | Processing Of Emissions By Clouds And Precipitation |
| NENA | NOAA's Northeast-North Atlantic 2004 |
| AOSO | Advance Orbiting Solar Observatory |
| MHD | Magnetohydrodynamic |
| OMB | Office Of Management And Budget |
| DOELAP | DOE Laboratory Accreditation Program |
| GOS | Global Observing System |
| (C4) | Center For Clouds |