From left to right, retired U.S. Army Col. Walter Betley, 93, and retired U.S. Army Lt. Col. Gregory Wojtkun share their experiences with U.S. Air Force Gen. Philip M. Breedlove, Supreme Allied Commander Europe, before the promotion ceremony of Maj. Karl Wojtkun, commander, Supreme Headquarters Allied Powers in Europe Helicopter Flight Detachment, on Chièvres Air Base, Chièvres, Belgium, March 2, 2015. Col. Betley served during World War II, The Korean War, and the Vietnam War. (U.S. Army photo by Visual Information Specialist Pierre-Etienne Courtejoie/Released)