Albert I vs Albert II

Albert I was a rhesus macaque used by the United States in an early biological spaceflight experiment. He was launched aboard a V-2 rocket in 1948 and reached high altitude during the flight, but the mission did not return him safely. Albert I is remembered in accounts of the animals sent on early rockets before human spaceflight, when researchers were studying the effects of launch and extreme al...

Albert II was a rhesus macaque monkey who became the first primate to reach outer space on June 14, 1949. Launched by the United States aboard a V-2 rocket from White Sands Missile Range in New Mexico, Albert II reached an altitude of approximately 134 kilometers. This flight crossed the Kármán line, the widely recognized boundary of space, following the earlier suborbital flight of Albert I, who...