File-This April 13,2010 file photo shows a NASA Global Hawk robotic jet siting in a hangar at Dryden Flight Research Center in Edwards Air Force Base, Calif. The Federal Aviation Administration is ... more 
File-This April 13,2010 file photo shows a NASA Global Hawk robotic jet siting in a hangar at Dryden Flight Research Center in Edwards Air Force Base, Calif. The Federal Aviation Administration is looking for six sites to test drones before they are integrated into the civilian airspace. Fifty teams from 39 states have applied for the chance to boost their economies. (AP Photo/John Antczak,File) less 
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Associated Press | Photo By John Antczak,File
Wed, Mar 27, 2013 4:36 AM EDT