Navy Dolphins Searching For Mines Uncover Sunken 19th Century Torpedo

It's only the second torpedo of its kind ever found. Dolphins have been used for 50 years to help the U.S. Navy echolocate mines. That project is going away in 2017 (to be replaced by robots) but in the meantime, a team of Navy dolphins have picked up something a little more vintage. Off the coast of California, the dolphins, getting Navy training, uncovered what you see here: a Howell torpedo. From 1870 to 1889, a Rhode Island company produced a mere 50 of them, and it's only the second that's ...