Complex sentence: From January 1989 till December 1990 he was commander of the Soviet Airborne Forces and later (till August 1991) deputy minister of defence and member of Supreme Council of Russian Soviet Republic in 1990--1993.
Split into simpler sentences: From January 1989 till December 1990 he was commander of the Soviet Airborne Forces. He was also a member of Supreme Council of Russian Soviet Republic in 1990--1993.