UFO (Man made)
See: Freiburg UFO crash of 1936
Reverse-Engineering Roswell UFO Technology Summary: Computer company chief Jack Shulman argues that the transistor could never have been invented so suddenly at AT&T in late 1947 without input from top secret Government projects, that some have identified to him as being from alien spacecraft.
[vid] Army Col. briefed Kennedy on UFOs Col. Philip J. Corso served in many important roles during his Army career, among those he was on the staff of President Eisenhower's National Security Council and would brief the president personally. He also worked at the Pentagon for sometime serving as the chief of the foreign technology division. Here he says he handled debris from the crash of an alien spaceship in Roswell, and was privy to many of our government's secrets regarding extraterrestrials. In this video he claims that he briefed then Attorney General Bobby Kennedy directly on this issue, who he believes briefed the President, JFK.