Gagarin then became deputy training director of the Star City cosmonaut training base. At the same time, he began to re-join as a fighter pilot. On 27 March 1968, while on a routine training flight from Chkalovsky Air Base, he and flight instructor Vladimir Seryogin died in a MiG-15UTI crash near the town of Kirzhach. Gagarin and Seryogin were buried in the walls of the Kremlin on Red Square.