A submarine rescue ship is a surface support ship for submarine rescue and deep-sea salvage operations. Methods employed include the McCann Rescue Chamber, deep-submergence rescue vehicles and diving
USS Pigeon, submarine rescue ship
Japan Maritime Self-Defense Force Chiyoda (left) and Chihaya (right)
USS Ortolan, a twin-hulled submarine rescue ship, laid down 28 August 1968 by the Alabama Drydock and Shipbuilding Company, Mobile, Alabama; launched 10 September 1969; sponsored by Mrs. Nels C. Johns