150611-N-EC644-132 MISAWA, Japan (June 11, 2015) U.S. Ambassador to Japan Caroline Kennedy, exchanges challenge coins with Lt. Cmdr. Matthew Maher, assigned to the “Black Ravens” of Electronic Attack Squadron (VAQ) 135, from Parker, Colo., during a tour of an EA-18G "Growler" belonging to VAQ-135. Kennedy spoke with U.S. military members and their families and took tours of U.S. Navy aircraft while visiting Misawa Air Base. (U.S. Navy photo by Senior Chief Mass Communication Specialist Ryan C. Delcore)