<http://schema.org/alternativeHeadline>
"The U.S. was the first country to launch a primate, sending a rhesus monkey named Albert to a sub-space altitude of 39 miles in June 1948."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/monkeys-in-space-a-brief-spaceflight-history>