Lt. Col. Kris Roberts served as a facilities maintenance officer at Marine Corps Air Station Futenma in Okinawa, Japan in the 1980s. Courtesy of Lt. Col. Kris Roberts hide caption

itoggle caption Courtesy of Lt. Col. Kris Roberts

Japan's Emperor Akihito delivers his remarks with Empress Michiko during a memorial service at Nippon Budokan martial arts hall in Tokyo, on Saturday. His expression of "deep remorse" for Japan's wartime past is seen as an unprecedented apology. Shizuo Kambayashi/AP hide caption

itoggle caption Shizuo Kambayashi/AP

Japanese Prime Minister Shinzo Abe bows after delivering an address marking the 70th anniversary of World War II's end for his country. Abe noted Japan's continued grief over the war, but he also said future generations shouldn't be compelled to apologize for the war. Toru Hanai/Reuters /Landov hide caption

itoggle caption Toru Hanai/Reuters /Landov

A man pushes a loaded bicycle down a cleared path in a flattened area of Nagasaki more than a month after the nuclear attack in 1945. Stanley Troutman/AP hide caption

itoggle caption Stanley Troutman/AP

Visitors look at a miniature map of the Korean Peninsula at the Odusan observatory in Paju, Gyeonggi-do, South Korea, on Friday. North Korea is set to push back its clocks by half an hour to mark the end of Japanese occupation after World War II. Jeon Heon-Kyun/EPA/Landov hide caption

itoggle caption Jeon Heon-Kyun/EPA/Landov

Children offer prayers Thursday after releasing paper lanterns to the Motoyasu River, where tens of thousands of atomic bombing victims died, with the backdrop of the Atomic Bomb Dome in Hiroshima. Eugene Hoshiko/AP hide caption

itoggle caption Eugene Hoshiko/AP

The Japanese supercomputer K, pictured in June 2012 at the RIKEN Advanced Institute for Computational Science in Kobe, western Japan. The K computer is currently ranked No. 3 on a list of the 500 fastest supercomputers. Kyodo/Landov hide caption

itoggle caption Kyodo/Landov

James Murphy, World War II veteran and prisoner of war, was photographed at his home in Santa Maria, Calif., on Thursday. Murphy received an apology from a senior Mitsubishi executive for being forced to work in the company's mines during the war. Michael A. Mariant/AP hide caption

itoggle caption Michael A. Mariant/AP

Tokyo's proposed National Stadium, a key part of its 2020 Olympics plan, is being reopened to design proposals after Japanese officials said new cost estimates had risen sharply. Japan Sports Council hide caption

itoggle caption Japan Sports Council

South Korean Foreign Minister Yun Byung-se (left) speaks with Japanese Prime Minister Shinzo Abe at their meeting in Tokyo. The two countries are marking the 50th anniversary of establishing relations. While leaders in both countries stressed the importance of the ties, a bitter history continues to strain the relationship. Issei Kato/AP hide caption

itoggle caption Issei Kato/AP

Yae and Ren were married during Tokyo's Rainbow Pride Weekend in April. One Tokyo ward, or neighborhood, has recognized same-sex marriages, becoming the first place in Japan — or anywhere in East Asia — to do so. Elise Hu/NPR hide caption

itoggle caption Elise Hu/NPR

At Slush Asia, a new tech festival held in Tokyo in late April, the scene and the energy resembled a small-scale South by Southwest Interactive. Elise Hu/NPR hide caption

itoggle caption Elise Hu/NPR

Japanese Prime Minister Shinzo Abe in Boston on Monday. Dominick Reuter/AFP/Getty Images hide caption

itoggle caption Dominick Reuter/AFP/Getty Images

Japanese Prime Minister Shinzo Abe with U.S. Defense Secretary Ash Carter earlier this month in Tokyo. Abe's visit to the U.S. this week features an agreement for the Japanese military to have a more active role. Franck Robichon/AP hide caption

itoggle caption Franck Robichon/AP