USS Samuel B. Roberts (DE-413)
…shell, including Samuel B. Roberts's fallen mast. The wreck of Samuel B. Roberts lies at a depth of 3,770 fathoms (4.28 mi; 22,620 ft; 6,890 m) in the Philippine Trench, making her the world's deepest known shipwreck and the deepest shipwreck ever identified by a crewed submersible. It exceeds the previous record of…