nothing really he just went up in a rocket to see if animals could survive in space then if they could then they could test humans.
forever. They did not bring him back sadly
Gordo, also known as "Old Reliable", was launched from Cape Canaveral on December 13, 1958 in the U.S. Jupiter AM-13 rocket.
Albert II, a rhesus monkey, became the first ever primate to reach space (altitude above 100 km) on the 14th of June 1949. his capsule reached an altitude of 134 km aboard a V-2 rocket.