They don't have to be extraterrestrial per se.. You might want to take e.g. a look at this excellent piece of literature: Roswell and the Reich: The Nazi Conn

They don't have to be extraterrestrial per se.. You might want to take e.g. a look at this excellent piece of literature: Roswell and the Reich: The Nazi Connection http://www.amazon.com/Roswell-Reich-Connection-Joseph-Farrell/dp/1935487051/ http://www.amazon.com/Roswell-Reich-Connection-Joseph-Farrel... Or listen to some interviews: http://www.thebyteshow.com/JosephPFarrell.html http://www.thebyteshow.com/JosephPFarrell.html