"Karl Wendell Richter (October 4, 1942 \u2013 July 28, 1967) was an officer in the United States Air Force and an accomplished fighter pilot during the Vietnam War. At the age of 23 he was the youngest pilot in that conflict to shoot down a MiG in air-to-air combat."@en . . "Richter, Karl W."@en . "Karl Wendell Richter"@en . "Recipient of the Purple Heart medal" . . "1942-10-04Z"^^ . . "1964Z"^^ . . . . . . . . . "1942Z"^^ . . "1967Z"^^ . "1967Z"^^ . . "1967-07-28Z"^^ . . .