[IEEE 2015 Integrated Communication, Navigation, and Surveillance Conference (ICNS) - Herdon, VA, USA (2015.4.21-2015.4.23)] 2015 Integrated Communication, Navigation and Surveillance Conference (ICNS) - Unmanned Aircraft Systems (UAS) integration in the National Airspace System (NAS) project: UAS control and non-payload communication (CNPC) system development and testing