Air Guard celebrates Air Force birthday
Techical Sgt. Kristin N. Shultz and Lt. Col. Michael A. Shirley, the youngest and oldest airmen assigned to the Air National Guard Readiness Center, Joint Base Andrews, Md., cut a cake to commemorate the 66th birthday of the Air Force, Sept. 17, 2013. In 1947, the National Security Act turned what was then known as the Army Air Corps in the United States Department of the Air Force. (U.S. Air National Guard photo by Master Sgt. Marvin R. Preston/Released)