Members of the U.S. Air Force Academy football team march into the East Room of the White House, for the presentation of the Commander-in-Chief trophy May 7, 2015. President Barack Obama congratulated the team, along with Lt. Gen. Michelle D. Johnson, Superintendent, U.S. Air Force Academy, and Air Force Chief of Staff Gen. Mark A. Welsh III. (U.S. Air Force photo/Scott M. Ash)