world-war-ii-navy-salvage-diver-ken-hartle-is-seen-getting-into-his-deep-see-dress-diving-outfit-which-weighed-more-than-216-pounds-with-the-spun-copper-helmet
In this photo taken during World War II, Navy salvage diver Ken Hartle is seen getting into his deep see dress diving outfit, which weighed more than 216 pounds with the spun copper helmet. (Credit: Hartle family via San Diego Trib)