US, Japan military chiefs vow defense cooperation
Gen. Martin Dempsey, chairman of the U.S. joint chiefs of staff, left, shakes hands with Japan's Prime Minister Shinzo Abe at Abe's official residence in Tokyo Friday, April 26, 2013. Dempsey, who is wrapping up weeklong visit to Asia that included South Korea and China, reaffirmed Washington's commitment to the U.S.-Japan alliance. (AP Photo/Issei Kato, Pool)