| Acronym | Meaning |
| MAP | Middle Atmosphere Program |
| AMRR | Army Material Research Reactor |
| IGPO | International GEWEX Program Office |
| CASAC | Clean Air Scientific Advisory Committee |
| ECTD | Emission Control Technology Division |
| IVVS | Interactive Verification And Visualization System (RTVS) |
| AVS EXPRESS | Upgraded Version Of The Application Visualization System |
| FSS | Facilities Support Services |
| NREL | National Resource Ecology Laboratory |
| CAR | Central African Republic |