| Acronym | Meaning |
| GMSA | Global Multivariate Statistical Analysis |
| ALC | Allocations |
| DTRC | David Taylor Research Center |
| LOE | Level Of Effort |
| EFF | Experimental Forecast Facility |
| TECC | Tropospheric Effects Of Cloud Chemistry Program |
| MHS | Message Handling System |
| FAN | File Array Notation |
| PDR | Preliminary Design Review |
| TBO | Tropospheric Biennial Oscillation |