"2006Z"^^ . "1942Z"^^ . "American flying ace" . "1921-10-17Z"^^ . . "2006-04-04Z"^^ . "30pxUnited States Air Force Reserve" . . "Fred Joseph Christensen Jr."@en . "Massachusetts Air National Guard" . . . "1921Z"^^ . . "Chris, \"Rat Top\""@en . "25pxUnited States Army Air Forces" . . "Fred Joseph Christensen Jr. (1921\u20132006) was a fighter pilot and ace with the United States Army Air Forces during World War II. A member of the 56th Fighter Group in England, Christensen scored 21.5 aerial victories. He later served 24 years as a command officer with both the Air National Guard and the Air Force Reserve, retiring as a colonel."@en . . "Christensen, Fred J."@en . .