In Memoriam: USS Samuel B. Roberts (DE-413) Posted on 26 June 2022 by The Tactical Hermit USS Samuel B Roberts: World’s Deepest Shipwreck Discovered The USS Samuel B Roberts (DE-413) went down during the Battle Off Samar in the Philippine Sea in October 1944. It lies in 6,895m (22,621 ft) of water. That’s Four Miles under the Pacific! If you want to read an AMAZING account of the Sammy B’s Final Battle and how Destroyers and Destroyer Escorts like her took the fight to the Japanese Navy in WW2, check out The Last Stand of the Tin Can Sailor’s by James D. Hornfischer.