| Acronym | Meaning |
| IAMAPS | International Association Of Meteorology And Atmospheric Physics Sciences |
| DCAA | Defense Contract Audit Agency |
| DSA | Directory System Agent |
| AC | Actual Commitment |
| RMS | Root-mean-square |
| MAP | Mesoscale Alpine Project |
| DBMS | Data Base Management System |
| JONSWAP | Joint North Sea Wave Project |
| EMAD | Equatorial Middle Atmosphere Dynamics |
| ETE | Estimated Time En Route |