Heinicke , who was on his fifth U-boat patrol with relatively little success against Allied shipping , saw a chance for redemption . German U-576 attacked convoy off Cape Hatteras in 1942 . U - 570 attacked USS Bluefields , but was sunk by Allied planes , too . They rest 100 yards apart on bottom of Atlantic .
German U-576 attacked convoy off Cape Hatteras in 1942 . U - 570 attacked USS Bluefields , but was sunk by Allied planes , too . They rest 100 yards apart on bottom of Atlantic .