Gordon Cooper, an astronaut for the Mercury program, had personal sightings of flying saucers flying over West Germany in 1951. He then became an advocate that the phenomena was very real, unlike many of his colleagues claimed. He would say that the government was aware of the extraterrestrials and their technology, but didn't want to cause panic.

Capt. Edgar Mitchell, one of the NASA’s Apollo 14 mission crew, stated that a cabal of elites have been studying recovered alien bodies for years and have done so without briefing any U.S. Presidents since JFK.

A man using the name "Captain Kaye" has revealed that he has served 17 years in the Mars Defense Force. His crew was supposed to protect secret human colonies on Mars and recover an alien artifact from hostile reptile-like aliens. According to him, over 1,000 human soldiers were killed and 28 of the personnel survived.

Robert Dean is a retired Army officer who claims to have received “cosmic top secret” clearance during his service. Dean says that there are aliens who resemble humans, and who not only visited our planet and made contact, but they are also currently living on Earth.

Laura Magdalene Eisenhower, great-granddaughter to President Dwight Eisenhower, confirmed that the Mars Colony story wasn't a conspiracy theory, as she was the target of recruitment for the secret Mars colony project between 2006-2007.

Larry Warren, a former British airman, is one of the people who claim to have witnessed several nights of UFO sightings in Suffolk, in 1983. Warren said that he confronted a triangle-shaped craft along with a few other people. Official memos have been released, and footage collected. There's even a tape that became public of authorities measuring radiation samples in the area.

Dr. Eric Norton decided to risk his own safety and reveal some information about the things has seen while working for over 10 years in a government project monitoring the alien moon base. According to him, there's an alien base located on the dark side of the moon. There are photos of a mysterious structure on the moon that resembles a pyramid-like set of what appears to be buildings.

Bob Lazar claims to have worked for about two years in the late 1980s, on back-engineering technology found on several recovered alien aircrafts. He is the person who told the public about the mysterious Area 51 facility. According to Lazar, the intelligent alien race came from the Zeta Reticuli solar system.

Major Jesse Marcel Sr. was an officer in the United States Air Force who was involved in the cleanup of the debris that was officially a weather balloon that crashed in Roswell, in 1947. It wasn't until the 1970s that Marcel went to the public and affirmed that the debris recovered was an alien craft.

One of the most outrageous UFO claims was made by Andrew Basiago and William Stillings. They stated that they were recruited into the Mars program in 1980 alongside Occidental College student Barry Soetoro--the man currently known as... president Barrack Obama.