Одесский военный округ
Ivanov served as chief of staff in a variety of Soviet formations: the Belorussian Military District (March 1946 – November 1948), the Group of Soviet Forces in Germany (November 1948 – June 1952), the Odessa Military District (1952–1953), the Moscow Military District (1953 – April 1956) and the Kiev Military District (April 1956 – September 1959).