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UNSPECIFIED - MARCH 01: Ussr. Colonel A.Leonov Pilot Spaceship Vostok 2. 1965 (Photo by Keystone-France/Gamma-Keystone via Getty Images)

UNSPECIFIED - MARCH 01:  Ussr. Colonel A.Leonov Pilot Spaceship Vostok 2. 1965  (Photo by Keystone-France/Gamma-Keystone via Getty Images)