sentences:  In 1934, he took part in the rescue of the Chelyuskin steamship crew from an improvised airstrip on the frozen surface of the Chukchi Sea, for which he would be awarded the title of the Hero of the Soviet Union.In 1939 he graduated from Zhukovsky Air Force Engineering Academy.Later in his life, Ivan Doronin headed experimental flight stations at Aircraft Factory №1 and Aircraft Factory №301.