Photos: President Obama visits Asia

Secretary of State John Kerry stands in the front of the auditorium after attending U.S. President Barack Obama’s speech at the National Convention Center in Hanoi, Vietnam, Tuesday, May 24, 2016.

President Barack Obama speaks at the National Convention Center in Hanoi, Vietnam, Tuesday, May 24, 2016.

A military band marches to position ahead of the arrival of President Barack Obama for a welcoming ceremony at the presidential palace in Hanoi on May 23, 2016.

President Barack Obama, left, and his Vietnamese counterpart Tran Dai Quang review an honor guard during a welcoming ceremony at the Presidential Palace in Hanoi on May 23, 2016.

President Barack Obama arrives on Air Force One at Noi Bai International Airport in Hanoi, Vietnam, Sunday, May 22, 2016.

President Barack Obama arrives on Air Force One at Noi Bai International Airport in Hanoi, Vietnam, Sunday, May 22, 2016.

President Barack Obama is given flowers by Linh Tran, the ceremonial flower girl, as he arrives on Air Force One at Noi Bai International Airport in Hanoi, Vietnam, Sunday, May 22, 2016.

President Obama waves to the press as he departs the White House for his week-long trip to Japan and Vietnam on May 21, 2016.

A Vietnamese couple pass a poster of U.S President Barack Obama with footnote read “Welcome to our city”, hanging in a door front in Hanoi, Vietnam on Sunday, May 22, 2016.