iBelka and Strelka survived an orbital flight and parachute recovery. Bringing the dogs back alive was the advance over Laika's mission, and it tested the kind of descent system the Soviet Union needed for a human passenger.
iiBelka and Strelka survived an orbital flight and parachute recovery. Bringing the dogs back alive was the advance over Laika's mission, and it tested the kind of descent system the Soviet Union needed for a human passenger.