The Army has started flying unmanned aircraft at Ft. Hood, TX, using a ground-based, sense-and-avoid system to replace the use of chase planes or visual observers, according to the service officials overseeing the effort. The ground-based, sense-and-avoid system became operational at Ft. Hood this fall, with the first Gray Eagle flights using this system taking place on Sept. 20, Paul DiNardo, assistant product director for the Army's GBSAA program, said during a Nov. 15 interview. Prior to first flights, the...
