In the 1950s and 1960s, the Soviet space program used dogs for suborbital and orbital space flights as proof-of-concept to determine whether human spaceflight was feasible. The Soviet space program typically used female dogs due to their anatomical compatibility with the spacesuit.
In the 1950s and 1960s, the Soviet space program used dogs for suborbital and orbital space flights as proof-of-concept to determine whether human spaceflight was feasible. The Soviet space program typically used female dogs due to their anatomical compatibility with the spacesuit.
Source: Wikipedia "Soviet space dogs" · CC BY-SA 4.0
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