Photo gallery: President Obama’s final commencement address

Members of the 2016 class U.S. Air Force Academy applaud as they listen to President Barack Obama deliver the commencement address, on June 2, 2016, in Colorado Springs, Colo.

The Air Force Thunderbirds fly overhead as graduating cadets celebrate with the “hat toss” after graduation ceremonies at the 2016 class of the U.S. Air Force Academy, on June 2, 2016, in Colorado Springs, Colo.

President Barack Obama delivers the commencement address at the 2016 class U.S. Air Force Academy, on June 2, 2016, in Colorado Springs, Colo.

President Barack Obama delivers the commencement address to the Air Force Class of 2016, at the U.S. Air Force Academy, in Colorado Springs, Colo., on June 2, 2016.