This is a pretty fascinating story about a fighter pilot who was ordered to attack an unknown flying object in the late 1950's. His account was released to the public after all these years yesterday.
http://www.ottawasun.com/News/National/2008/10/21/7149761-sun.html
http://www.ottawasun.com/News/National/2008/10/21/7149761-sun.html