We all know the Marine Corps celebrates its birthday in a big way, but that doesn't mean the other branches aren't worth celebrating. The United States Air Force was created after President Harry S. Truman signed the National Security Act of 1947. On September 18, 1947, W. Stuart Symington became Secretary of the Air Force, making September 18 the service's official birthday. In honor of its 77th birthday, let's take a look at some of the airmen who shaped the history and development of the...