Edgar Mitchell — the sixth person on the Moon — believed in aliens
The
astronaut Edgar Mitchell was the sixth person on the Moon in 1971 with
the Apollo 14 mission. When he came back from the mission Mitchell
claimed he experienced an intense spiritual experience. He then devoted
his life to prove the existence of alien life.
Mitchell also claimed that aliens saved humanity in the past from a
devastating nuclear war. The astronaut suggested that the Vatican was
hiding the information that an alien race was trying to contact us.
Mitchell died on February 4, 2016, before the 45th anniversary of the
Moon landing.
Gordon Cooper claimed he saw a UFO
Gordon
Cooper was one of seven astronauts selected by NASA for the first space
mission — "Mercury Project." "Mercury Project" took place between the
years of 1958 and 1963. Its purpose was to send a person into Earth's
orbit. During the training, Cooper claimed he saw a #UFO flying over an
American base in Germany. The astronaut claims that humanity must prove
they can solve their problems peacefully before aliens accept us as
universal team members. Cooper suffered from Parkinson's disease at the
age of 77 and he died on October 4, 2004.Deke Slayton also claimed he saw a UFO
Brian O'Leary also believed in aliens
The astronaut Brian O'Leary was selected for a mission to Mars in 1967, but this mission never took place. O'Leary also had an experience that changed his opinion about aliens. After leaving NASA he became a professor of physics at Princeton University. During this time, he claimed there was a lot of evidence that aliens contacted us. According to O'Leary's statements, alien civilizations have been monitoring Earth for a long time. O'Leary died of intestinal cancer on July 28, 2011, shortly after he was diagnosed with this disease.
http://www.educatinghumanity.com/2017/04/proof-of-aliens.html

