U.S. Air Force maintenance personnel check a KC-135R air refueling tanker on the tarmac during "Keen Sword" U.S.-Japan joint military exercise at Kadena Air Base in Okinawa, southern Japan, Thursday, ... more 
U.S. Air Force maintenance personnel check a KC-135R air refueling tanker on the tarmac during "Keen Sword" U.S.-Japan joint military exercise at Kadena Air Base in Okinawa, southern Japan, Thursday, Dec. 9, 2010. less 
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Associated Press | Photo By Itsuo Inouye
Thu, Dec 9, 2010 6:09 AM EST