World's deepest shipwreck discovered - BBC News If this has been posted already, please delete. The USS Samuel B Roberts was found. The world’s deepest shipwreck. I wish James Hornfischer was alive to see this. Posted by lrusso 216. Found below. Merged. USS Samuel B Roberts: World's deepest shipwreck discovered What a great story. I hope the wreck stays where it is. The Battle off Samar us one of the reasons I got interested in WW2. That encounter was the epitome of heroism by the US Navy.