HONOLULU, HI - DECEMBER 27: U.S. President Barack Obama delivers remarks while Japanese Prime Minister Shinzo Abe listens at Joint Base Pearl Harbor Hickam's Kilo Pier on December 27, 2016 in Honolulu, Hawaii. Abe is the first Japanese prime minister to visit Pearl Harbor with a U.S. president and the first to visit the USS Arizona Memorial. (Photo by Kent Nishimura/Getty Images)
HONOLULU, HI - DECEMBER 27: U.S. President Barack Obama listens while Japanese Prime Minister Shinzo Abe delivers remarks at Joint Base Pearl Harbor Hickam's Kilo Pier on December 27, 2016 in Honolulu, Hawaii. Abe is the first Japanese prime minister to visit Pearl Harbor with a U.S. president and the first to visit the USS Arizona Memorial. (Photo by Kent Nishimura/Getty Images)
HONOLULU, HI - DECEMBER 27: U.S. President Barack Obama and Japanese Prime Minister Shinzo Abe greet Pearl Harbor survivors Emmet Hyland, Al Rodriguez and Sterling Cane at Joint Base Pearl Harbor Hickam's Kilo Pier on December 27, 2016 in Honolulu, Hawaii. Abe is the first Japanese prime minister to visit Pearl Harbor with a U.S. president and the first to visit the USS Arizona Memorial. (Photo by Kent Nishimura/Getty Images)
