Sonntag, 25. Juni 1950
Freitag, 24. Oktober 1980
Leonid Grigoriyevich Ivanov (June 25, 1950 – October 24, 1980) was a member of Soviet Air Force Cosmonaut Training Group 6. He graduated from Higher Air Force School, Kachinsk, in 1971. Ivanov was killed on October 24, 1980, in the crash of a MiG-27 aircraft during a test flight in Akhtubinsk, Astrakhan Oblast, Russian Soviet Federative Socialist Republic.