| Acronym | Meaning |
| CCL | Convective Condensation Level |
| LOICZ | Land-Ocean Interactions In The Coastal Zone |
| NSIDC | National Snow And Ice Data Center |
| ECA | Earth-crossing Asteroids |
| IMS | Information Management System |
| NEAQS | New England Air Quality Study |
| AWPG | Aviation Weather Products Generator |
| GCTM | Global Chemical Transport Model |
| ISR | Individual Schedule Request |
| TASU | Time-alternating Space-uncentered |