| Acronym | Meaning |
![](file.png) | FNC | Federal Networking Council |
![](file.png) | FDDA | Fiber Distributed Data Interface |
![](file.png) | PEM | Particle Environment Monitor |
![](file.png) | SI | Systeme International |
![](file.png) | WMS | World Magnetic Survey |
![](file.png) | POCIBO | Polar Circling Balloon Observatory |
![](file.png) | APA | Allied Pilot's Association |
![](file.png) | DISN | Defense Information Systems Network |
![](file.png) | SPACE | Satellite Precipitaion And Cloud Experiment |
![](file.png) | NOGAPS | U.S. Navy Operational Global Atmospheric Prediction System |