I remember a show on TV a few years back about a chap in England who made his fortune after the war salvaging wartime wrecks around the world. He focused on ships with cargos of metal ingots and developed a technique of popping the freighter's hull outwards in such a way the deck collapsed straight down. It was then lifted clear of the wreck by a large custom built claw he designed, leaving the cargo holds clear for hard hat divers to salvage. One ship he worked on off the North American coast had a deck cargo of a dozen or so Shermans. The ship had sunk upright after being torpedoed and he had lifted all the Shermans off the deck and placed them on the sea bed around the hull. Strange to see them all sitting there.
David
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