Sergei Vozovikov
Sergei Yuriyevich Vozovikov was a member of the Soviet Air Force Cosmonaut Training Group 11. His Cosmonaut training was to take place from October 1, 1991 to March 6, 1992. This was cut short when he drowned on July 11, 1993 during water recovery training in the Black Sea, near Anapa, Russia.