Metro

In the depths, the Andrea Doria claimed another

Deep sea diver Tom Pritchard was careful, expert, experienced. And yet.

Only the most experienced divers descend to the remains of the Andrea Doria. Years of training, close attention to safety protocols, and well-maintained equipment are all needed for a safe journey.

SOURCES: newsday.com; scubadiving.com; Professional Association of Diving Instructors; John Hanzl, Dive Safety Officer, New England Aquarium

JAMES ABUNDIS, TONIA COWAN, PATRICK GARVIN/Globe Staff

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