Airman Basic Christopher Geiger (left) and Airman 1st Class Hunter Merchant fold the Air Force flag during a Retreat ceremony Friday on the formation pad near the 368th Training Squadron headquarters here in recognition of the U.S. Air Force’s 73rd birthday. On Sept. 18, 1947, President Harry Truman signed the National Security Act, separating the Air Force from the Army and establishing a new branch of service. (Photo by Brian Hill)
