O cão que participou do ataque a Osama

Why did the military send a dog to help kill Bin Laden?

neither the Pentagon nor the White House is talking about the role the dog played in Sunday's operation,

It's possible that the commandos brought a specialized search dog, which would have been sent in ahead of the humans to find explosives or people hidden inside the building. Or they might have used a "combat tracker" dog instead—one of a newer class of military animals developed by the Marines just a year ago. These are taught to pick up the scent of a particular individual, usually from a footprint or a few drops of blood, and then follow the trail. If Bin Laden had heard the choppers coming and fled the scene, a combat tracker dog could have been used to track him down as he high-tailed it through the streets of Abbottabad.

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