Pyotr Kolodin Status: Retired 9/23/1930 – Nationality: Ukrainian Type: Government Agency: Russian Federal Space Agency (ROSCOSMOS) Pyotr Ivanovich Kolodin (Russian: Пётр Иванович Колодин; (born September 23, 1930) is a former Soviet cosmonaut. Although he retired in 1983 without flying in space, Kolodin served non-flying assignments on several spaceflights.