Space Dogs: Pioneers of Space Travel

Back when scientists knew nothing about space travel, back when rockets were new, a group of Russian cosmonauts rode rockets to the edge of space and into earth orbit. These pioneer space travelers were dogs, space dogs of the Soviet space program. For 15 years, space dogs occupied the world stage, blazing trails as the first astronauts. Their flights taught scientists how living beings reacted to rocket travel and tested the equipment that would be used for human space flight. The age of t...