sentences:  He was awarded the title of the Hero of Socialist Labor for his role in the international research program of the Halley Comet in 1986.He was elected at the Supreme Soviet of the USSR in 1987 and worked until 1991 as an advisor on the issues related to civil and military space problems for Mikhail Gorbachev and Eduard Shevardnadze on summits, which were held in Geneva (1985), Washington, D.C. (1987) and Moscow (1988).Sagdeev met Susan Eisenhower, a step-grandmother, and the twice divorced mother of three daughters, in 1987, at a US–USSR forum in New York City.