As Air Force Chief of Staff General Twining also achieved the reputation for appeasing the acrimonious controversies which characterized the interservice rivalry during the immediate postwar years and played major role in easing the interservice rivalry. The interservice rivalry had emerged following the end of World War II and the establishment of National Security Act of 1947. One of interservice rivalry major conflict was the "Revolt of the Admirals" in 1949, on which the Truman administration canceled the building of supercarrier USS United States (CVA-58) due to Truman Administration and the Department of Defense more preferred the strategic bomber aircraft Convair B-36 Peacemaker, causing several high-ranking Navy officials to protest against the Truman administration decision to canceled the supercarrier project.