A Pentagon report that lays the groundwork for integrating some of the Air Force's unmanned aerial systems into the National Airspace System was delivered to Congress last month and has already generated a set of requirements for ground-based, sense-and-avoid systems for unmanned aircraft. UAS integration testing will take place at six test ranges within the National Airspace System (NAS), as required in the Fiscal Year 2012 National Defense Authorization Act (NDAA), with the expectation that the UAS be fully integrated...