Full Video of State Funeral of Yuri Alekseyevich Gagarin (1934–1968) & Vladimir Sergeyevich Seryogin (1922–1968), Gagarin & Seryogin: Colonels of the Soviet Air Force and Cosmonauts of the Soviet Union
Their MiG-15UTI jet fighter aircraft crashed near the town of Kirzhach, killing Yuri Gagarin and Vladimir Seryogin, according to Wikipedia
