How old were the astrounartes in Apollo 11?

The Apollo 11 mission, which took place in July 1969, included astronauts Neil Armstrong, Buzz Aldrin, and Michael Collins. At the time of the mission, Neil Armstrong was 38 years old, Buzz Aldrin was 39, and Michael Collins was 38. Their ages reflected a combination of experience and training that enabled them to successfully complete the historic lunar landing.