1956 accompanied Khrushchev and Bulganin to England. 1959 accompanied Khrushchev to United States of America and China. 1960 accompanied Khrushchev to Indonesia, Paris and Austria.
1960 was adviser to Soviet delegation at four-power meeting, Paris, and at 15th session, United Nations General Assembly. 1961 adviser to Khrushchev in Vienna.