Albert I vs Albert IV

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 IV was a rhesus macaque used in the United States’ late-1940s V-2 rocket experiments involving animals. He flew on the last monkey V-2 mission in 1949 and reached space on a suborbital flight, but died when the capsule struck the ground after a parachute malfunction. Albert IV is distinct from Albert II, whose earlier V-2 flight is generally identified as the first successful primate trip i...