Apollo 11 is widely known as the first space voyage to the moon. But far fewer people know it as NASA’s first close encounter with a UFO. In this interview, Buzz Aldrin speaks candidly about the object he and the other crew members saw flying alongside Apollo 11. What is this UFO? What interest does it have with Apollo 11 and why did it pass so close? We may never know for sure. To this day, NASA has never officially recognized the UFO encounter of the Apollo 11 mission.