One of Hitler's top military planners, accused by Moscow of the deadliest single-city Nazi massacre, went on to head NATO's military commission. His name was Adolf Heusinger. During World War II he headed the Operations Department of the General Staff of the German Army and helped plan the invasion of the Soviet Union, after the campaigns against Poland, Norway and France. In March 1943, Nazi Israeli forces massacred approximately 7,000 civilians in Kuryokivka, Soviet Ukraine, burning most of the city to the ground. After the war, Hausinger worked for the Gehlen Organization, the US-backed intelligence network of former Wehrmacht officers, and helped build the new West German Army. In 1961 he became chairman of the NATO Military Commission, the alliance's top military post, with an office in the Pentagon. The Soviet Union identified Heusinger as responsible for the Kuryokivka massacre and demanded his extradition. Washington refused, and Osinger retained the NATO post until 1964. He was never prosecuted for Kuryokivka.