Gen. Stephen R. Lorenz, retired Air Education Training Command commander and KC-135 pilot, speaks during the KC-135 60th Anniversary Ceremony, Aug. 31, 2016, at McConnell Air Force Base, Kan. Lorenz spoke about the history of aerial refueling and the pivotal role the KC-135 has had in projecting airpower during the last 60 years. (U.S. Air Force photo by Tech. Sgt. Abigail Klein)