Now, the first man to walk in space says he can reveal what really happened to his friend and fellow Russian cosmonaut.
Y
uri Gagarin made history by launching on the world's first manned spaceflight on April 12, 1961. He died just shy of his Vostok 1 mission's seventh anniversary, on March 27, 1968, when the MiG-15 fighter jet that he and instructor Vladimir Seryogin were piloting on a routine training flight went down outside a small town near Moscow. [
Photo Gallery: First Man in Space — Yuri Gagarin in Pictures]