| Acronym | Meaning |
| AIS | Affiliate And Immigration Services |
| JOC | Joint Organizing Committee |
| ASSIST | ADPE System Sizing Tool |
| IFR | Instrument Flight Rules |
| ASHRAE | American Society Of Heating |
| UKAERE | United Kingdom Atomic Energy Research Establishment |
| LTLOG | Landsat Technical Working Group |
| RPS | Ranked Probability Score |
| USARP | United States Antarctic Research Program |
| N-AWIPS | National Centers Advanced Weather Interactive Processing Systems |