Aleksandr Mikhaylovich Vasilevsky was a Soviet career-officer in the Red Army who attained the rank of Marshal of the Soviet Union in 1943. He served as the Chief of the General Staff of the Soviet Armed Forces (1942–1945) and Deputy Minister of Defense during World War II, and as Minister of Defense from 1949 to 1953. As the Chief of the General Staff from 1942 to 1945, Vasilevsky became involved in planning and coordinating almost all the decisive Soviet offensives in World War II, from the Operation Uranus of November 1942 to the assaults on East Prussia, Königsberg and Manchuria.