In the course of the operation that cost the al Qaeda leader his life, one of the two Blackhawk helicopters that carried the SEALs into bin Laden's Pakistani compound grazed one of the compound's wall and was forced to make a hard landing. With the chopper inoperable, at the end of the mission the SEALs destroyed it with explosives.

But photos of what survived the explosion -- the tail section of the craft with curious modifications -- has sent military analysts buzzing about a stealth helicopter program that was only rumored to exist. From a modified tail boom to a noise reducing covering on the rear rotors and a special high-tech material similar to that used in stealth fighters, former Department of Defense official and vice president of the Lexington Institute Dan Goure said the bird is like nothing he's ever seen before.