FILE PHOTO: This combination photo shows a U.S. military Global Hawk drone taking off from Sigonella NATO Airbase in the southern Italian island of Sicily March 20, 2011, in this still image taken from video. REUTERS/REUTERS TV/File Photo
FILE PHOTO: This combination photo shows a U.S. military Global Hawk drone taking off from Sigonella NATO Airbase in the southern Italian island of Sicily March 20, 2011, in this still image taken froShow more