• John Moore / Getty Images

    Newly commissioned 2nd lieutenants throw their caps in the air as a team of Air Force Thunderbirds fly over the 2011 graduating class of the U.S. Air Force Academy on May 25, 2011 in Colorado Springs, Colo. A total of 1,021 graduates received their diplomas in front of their families and dignitaries at the Academy's Falcon Stadium.

    Graduating class of the US Air Force Academy celebrates

    By Robert Hood

    We see a variation of this picture every year, and I never get tired of it. Good luck graduates.