Mine-seeking Navy dolphins discover rare 19th century torpedo

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Two trained dolphins surprise Navy specialists with their find: a Howell torpedo, state-of-the-art for its day in the late 19th century. It’s only the second one known to exist. […]

“Dolphins naturally possess the most sophisticated sonar known to man,” Braden Duryee, an official at the Space and Naval Warfare Systems Center Pacific said after the surprising discovery.