| http://www.w3.org/ns/prov#value | - Many of the animals on the early flights perished because of equipment failure or technology unable to cope with re-entry from sub-orbit.Later in the 1960s, the U.S. and Soviets sent animals into orbit for further biological tests on space flight and other nations, including France and China, sent animals on rocket flights.They are following the path that we followed more than half a century ago,
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