President John F. Kennedy visits Homestead Air Force Base at the end of the Cuban Missile Crisis DEFCON alert (Photo and information from The Jive Bomber, courtesy of William Stein)
Berlin Crisis in 1961-62 Disclosed U.S.-European Gap on Nuclear Use, with French and Germans Supporting Early Use over U.S. Objections
B-52 Bombers Were Used for Shows-of-Force during Altercations with North Korea
During October 1973 War DEFCON 3, 99.5 Percent of U.S. ICBMS Were on High Alert