'They're Demonic': Astronaut Who Walked on the Moon on Shocking Truth About Aliens

'They're Demonic': Astronaut Who Walked on the Moon on Shocking Truth About Aliens Former astronaut Charlie Duke is known for being the youngest man to walk on the moon. But Duke, 91, is also a strong Christian who has a fascinating perspective on aliens and UFOs, subjects that have received a plethora of attention of late.