President Barack Obama and Japanese Prime Minister Shinzo Abe shake hands after laying wreaths at the Hiroshima Peace Memorial Park in Hiroshima on Friday, May 27. <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F27%2Fpolitics%2Fobama-hiroshima-japan%2F" target="_blank">Obama, the first sitting president to visit Hiroshima,</a> called for a "world without nuclear weapons," during his speech but his remarks stopped short of an apology.
President Barack Obama and Japanese Prime Minister Shinzo Abe shake hands after laying wreaths at the Hiroshima Peace Memorial Park in Hiroshima on Friday, May 27. Obama, the first sitting president to visit Hiroshima, called for a "world without nuclear weapons," during his speech but his remarks stopped short of an apology.
Jim Watson/AFP/Getty Images
Obama told U.S. and Japanese troops on May 27 at the Iwakuni Marine Corps Air Station in Iwakuni, Japan: "This afternoon I will visit Hiroshima. This is an opportunity to honor the memory of all those who were lost in World War II."
Obama told U.S. and Japanese troops on May 27 at the Iwakuni Marine Corps Air Station in Iwakuni, Japan: "This afternoon I will visit Hiroshima. This is an opportunity to honor the memory of all those who were lost in World War II."
Jim Watson/AFP/Getty Images
President Obama greets members of the U.S. and Japanese military as he arrives at Marine Corps Air Station Iwakuni in Iwakuni on May 27.
President Obama greets members of the U.S. and Japanese military as he arrives at Marine Corps Air Station Iwakuni in Iwakuni on May 27.
Carolyn Kaster/AP
From left: Italian Prime Minister Matteo Renzi, European Commission President Jean-Claude Juncker, French President François Hollande, Canadian Prime Minister Justin Trudeau, German Chancellor Angela Merkel, U.S. President Barack Obama, Japanese Prime Minister Shinzo Abe, European Council President Donald Tusk and British Prime Minister David Cameron walk past the Kagura-den as they visit Ise Jingu shrine in Ise, Japan, on Thursday, May 26. Obama is visiting Japan and Vietnam <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F23%2Fpolitics%2Fobama-hiroshima-vietnam-trip-wartime-legacy%2Findex.html" target="_blank">during his 10th trip to Asia.</a>
From left: Italian Prime Minister Matteo Renzi, European Commission President Jean-Claude Juncker, French President François Hollande, Canadian Prime Minister Justin Trudeau, German Chancellor Angela Merkel, U.S. President Barack Obama, Japanese Prime Minister Shinzo Abe, European Council President Donald Tusk and British Prime Minister David Cameron walk past the Kagura-den as they visit Ise Jingu shrine in Ise, Japan, on Thursday, May 26. Obama is visiting Japan and Vietnam during his 10th trip to Asia.
Carolyn Kaster/AP
World leaders join in a ceremony to plant trees at Ise Jingu shrine in Ise, Japan, on May 26. Obama and other major world leaders are in Japan for a Group of Seven, or G7, summit.
World leaders join in a ceremony to plant trees at Ise Jingu shrine in Ise, Japan, on May 26. Obama and other major world leaders are in Japan for a Group of Seven, or G7, summit.
Ma Ping/Pool Photo via AP
From left: British Prime Minister David Cameron, Italian Prime Minister Matteo Renzi, U.S. President Barack Obama and Canadian Prime Minister Justin Trudeau talk together after a group photo session at the G7 summit in Shima, Japan, on May 26.
From left: British Prime Minister David Cameron, Italian Prime Minister Matteo Renzi, U.S. President Barack Obama and Canadian Prime Minister Justin Trudeau talk together after a group photo session at the G7 summit in Shima, Japan, on May 26.
Carlos Barria/Pool Photo via AP
U.S. President Barack Obama pauses for a translation during a bilateral meeting with Japanese Prime Minister Shinzo Abe in Shima, Japan, on Wednesday, May 25.
U.S. President Barack Obama pauses for a translation during a bilateral meeting with Japanese Prime Minister Shinzo Abe in Shima, Japan, on Wednesday, May 25.
Carolyn Kaster/AP
Obama is greeted by U.S. Ambassador to Japan Caroline Kennedy and her husband, Edwin Arthur Schlossberg, at the airport in Tokoname, Japan, on May 25.
Obama is greeted by U.S. Ambassador to Japan Caroline Kennedy and her husband, Edwin Arthur Schlossberg, at the airport in Tokoname, Japan, on May 25.
Carolyn Kaster/AP
Obama shakes hands after speaking at a town-hall event in Ho Chi Minh City, Vietnam, on May 25.
Obama shakes hands after speaking at a town-hall event in Ho Chi Minh City, Vietnam, on May 25.
JIM WATSON/AFP/Getty Images
Vietnamese rapper Suboi <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2Fvideos%2Fworld%2F2016%2F05%2F25%2Fvietnam-obama-beat-box-rap-sot.cnn" target="_blank">raps during the town-hall event,</a> which was for the Young Southeast Asian Leaders Initiative.
Vietnamese rapper Suboi raps during the town-hall event, which was for the Young Southeast Asian Leaders Initiative.
Carolyn Kaster/AP
Obama tours through entrepreneur demonstrations in Ho Chi Minh City on Tuesday, May 24.
Obama tours through entrepreneur demonstrations in Ho Chi Minh City on Tuesday, May 24.
JIM WATSON/AFP/Getty Images
Obama pays his respects during a visit to the Jade Pagoda in Ho Chi Minh City on May 24.
Obama pays his respects during a visit to the Jade Pagoda in Ho Chi Minh City on May 24.
JIM WATSON/AFP/Getty Images
Obama waves to locals during a visit to a shopping district in Hanoi, Vietnam, on May 24.
Obama waves to locals during a visit to a shopping district in Hanoi, Vietnam, on May 24.
JIM WATSON/AFP/Getty Images
Obama shakes hands with chef Anthony Bourdain in a shopping area of Hanoi on May 24. The President sat down with Bourdain to film a scene for CNN's <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2Fshows%2Fanthony-bourdain-parts-unknown" target="_blank">"Parts Unknown."</a>
Obama shakes hands with chef Anthony Bourdain in a shopping area of Hanoi on May 24. The President sat down with Bourdain to film a scene for CNN's "Parts Unknown."
Carolyn Kaster/AP
People gather in the rain to watch Obama's motorcade in Hanoi on May 24.
People gather in the rain to watch Obama's motorcade in Hanoi on May 24.
Carolyn Kaster/AP
Obama meets with members of the Vietnamese Civil Society in Hanoi on May 24.
Obama meets with members of the Vietnamese Civil Society in Hanoi on May 24.
Carolyn Kaster/AP
Obama delivers remarks at the National Convention Center in Hanoi on May 24. Obama <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F24%2Fpolitics%2Fobama-vietnam-south-china-sea%2F" target="_blank">made a forceful case for human rights in Vietnam</a> and called for the "peaceful resolution" of disputes in the South China Sea.
Obama delivers remarks at the National Convention Center in Hanoi on May 24. Obama made a forceful case for human rights in Vietnam and called for the "peaceful resolution" of disputes in the South China Sea.
JIM WATSON/AFP/Getty Images
Obama walks to the left of Thi Kim Ngan, chairwoman of Vietnam's National Assembly, at the Presidential Palace in Hanoi on Monday, May 23.
Obama walks to the left of Thi Kim Ngan, chairwoman of Vietnam's National Assembly, at the Presidential Palace in Hanoi on Monday, May 23.
Carolyn Kaster/AP
Obama meets with Nguyen Phu Trong, the Vietnamese Communist Party's general secretary, in Hanoi on May 23.
Obama meets with Nguyen Phu Trong, the Vietnamese Communist Party's general secretary, in Hanoi on May 23.
Carolyn Kaster/AP
Obama, with Secretary of State John Kerry and other Cabinet members, attends a meeting with Vietnamese Prime Minister Nguyen Xuan Phuc, third from right, on May 23.
Obama, with Secretary of State John Kerry and other Cabinet members, attends a meeting with Vietnamese Prime Minister Nguyen Xuan Phuc, third from right, on May 23.
Hoang Dinh Nam/Pool Photo via AP
Obama gives a toast during a state luncheon hosted by Vietnam's President in Hanoi on May 23.
Obama gives a toast during a state luncheon hosted by Vietnam's President in Hanoi on May 23.
Carolyn Kaster/AP
Obama holds a news conference with Vietnamese President Tran Dai Quang on May 23. Obama announced the United States is fully lifting the decades-long ban on the sale of military equipment to Vietnam. He said the removal of the ban was part of a deeper defense cooperation with the country and dismissed suggestions it was aimed at countering China's growing strength in the region.
Obama holds a news conference with Vietnamese President Tran Dai Quang on May 23. Obama announced the United States is fully lifting the decades-long ban on the sale of military equipment to Vietnam. He said the removal of the ban was part of a deeper defense cooperation with the country and dismissed suggestions it was aimed at countering China's growing strength in the region.
JIM WATSON/AFP/Getty Images
The two Presidents listen to their countries' national anthems during a welcoming ceremony at the Presidential Palace in Hanoi on May 23.
The two Presidents listen to their countries' national anthems during a welcoming ceremony at the Presidential Palace in Hanoi on May 23.
HOANG DINH NAM/AFP/Getty Images