World War, 1939-1945 Foreign relations 5 History 5 Atomic bomb 3 Campaigns 2 Causes 2 Diplomatic history 2 Naval operations, American 2 United States 2 (George Smith) 1 1918-1945 1 Aerial operations 1 Air craft carriers 1 Anti-submarine warfare 1 Army 1 Atlantic Ocean 1 Civilization 1 Council on Foreign Relations 1 Crytography 1 Korean War, 1950-1953 1 Military planning 1 Military policy 1 Naval operation, Japanese 1 Pearl Harbor (Hawaii), Attack on, 1941 1 Pearl Harbor (Hwaii), Attacck on, 1941 1 Regimental histories 1 Relations 1 Social aspects 1 Strategy 1 World war, 1939-1945 1