| Acronym | Meaning |
| DSI (+/OR MOD) | Defense Security Installation |
| AVS EXPRESS | Upgraded Version Of The Application Visualization System |
| INSTAAR | Institute For Arctic And Alpine Research |
| M-UCSD | University Of California At San Diego |
| GISST | Global Sea Ice And Sea Surface Temperature |
| FLSA | Fair Labor Standards Act |
| LSM | Land Surface Model |
| IGU | International Geographical Union |
| ACM | Advanced Conventional Munitions |
| PVC | Permanent Virtual Circuit |