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September 15, 2011 | Running time 3:17
Demonstration video
http://www.faa.gov/tv/?mediaId=370
MP4 ( 30 MB )
This page was originally published at: https://www.faa.gov/tv/?tag=nas
U.S. Department of Transportation
How Does the National Airspace System (NAS) Work 
System Wide Information Management (SWIM) 
Voice Switch in the NAS 
FAA System Command Center