"US President Barack Obama speaks with Us and Japanese troops at Marine Corps Air Station Iwakuni on May 27, 2016. Obama, who arrived at Iwakuni after attending the G7 Summit in central Japan, hailed the ""great alliance"" between the United States and Japan on May 27, just hours ahead of his historic visit to Hiroshima. / AFP / JIM WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)"
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