OFFUTT AIR FORCE BASE, Neb., -- Brig. Gen. John N.T. Shanahan, 55th Wing commander and Airman 1st Class Alyssa Blight, 55th Maintenance Squadron, cut the cake during the cake cutting ceremony of Offutt's 62nd Air Force Birthday Observance at the Patriot Club here Sept 18. Initially part of the U.S. Army, the Air Force became a separate branch of the military on Sept. 17, 1947. U.S. Air Force Photo by Charles Haymond