AF celebrates birthday at baseball game
Airman 1st Class Spencer Stone, an Airman's Medal and Purple Heart recipient, relieves Air Force Chief of Staff Gen. Mark A. Welsh III from the pitcher's mound at Nationals Park in Washington, D.C., Sept. 18, 2015. Stone was called to throw the first pitch of the game between the Washington Nationals and the Miami Marlins. (U.S. Air Force photo/Senior Airman Hailey Haux)