The Navy is awaiting approval from the Federal Aviation Administration for its first-ever effort to fly drones in the national airspace without using visual observers or chase planes, according to officials working on the effort. The goal is to obtain a certificate of authorization (COA) for Marine Corps Air Station Cherry Point, NC, in late September or early October in order to fly Shadow unmanned aircraft systems using a ground-based, sense-and-avoid system, said Stephen Chadwick, who directs the development of...