American organization for national security, 1945-50 / Thomas H. Etzold -- The strategy of containment / John Lewis Gaddis -- The postwar world, 1945 -- Containment : the doctrine, 1946-48 -- Implementation : Europe, 1947-49 -- Implementation : the Soviet Union and the communist world, 1948-49 -- Implementation : the Far East, 1947-49 -- Implementation : military planning, 1947-50. pt. 1. The strategic environment ; pt. 2. War plans ; pt. 3. The atomic bomb -- NSC 68 : the strategic reassessment of 1950