Vyacheslav Zudov Status: Retired 1/8/1942 – Nationality: Russian Type: Government Agency: Russian Federal Space Agency (ROSCOSMOS) Vyacheslav Dmitriyevich Zudov is a retired USSR cosmonaut. He was selected as a cosmonaut on 23 October 1965, flew as Commander on Soyuz 23 on 14–16 October 1976 and retired on 14 May 1987.