| Acronym | Meaning |
| IHOP | International H2O Project |
| FOIA | Freedom Of Information Act |
| DOI | Department Of Interior |
| GED | Global Ecosystem Dynamics |
| LINUX | N/A |
| BIOME | Biological Imaging And Observational Mission To Earth |
| ATC | Air Traffic Control |
| PERT | Performance Evaluation And Review Technique |
| ECOD | Export Control Operations Division |
| ZDR | Differential Reflectivity |