Col. Julie Stola, 45th Medical Group commander, and Airman Keegan Atherton, 45th Medical Support Squadron medical logistics, cut a birthday cake during the Air Force’s 69th Birthday celebration at the Beach House Sept. 16, 2016, at Patrick Air Force Base, Fla. The Air Force is a celebration of the proud history and heritage of American Airmen, the service’s longstanding culture of innovation, and the unique global aspects of Airpower and the Air Force’s enduring contribution to national security. (U.S. Air Force photo/Benjamin Thacker)