Check out this link with your sound up for a clip on Carlos Hathcock.
Carlos Hathcock was an ace sniper during Vietnam, and his shot into an enemy sniper’s scope was portrayed in the movie “The Sniper.” Read more about him on WikiPedia.
An awesome story. Make me wonder if all men are truly created equal. He was apparently a very unassuming and not large man, but had guts that are hard even to contemplate.