Deep-submergence rescue vehicle

A Deep Submergence Rescue Vehicle (DSRV) is a type of Deep Submergence Vehicle used for rescue of downed submarines and clandestine missions. While DSRV is the term most often used by the United States Navy other nations have different designations for their vehicles.

ASRV Remora ("Really Excellent Method Of Rescuing Aussies") was the Australian navy's DSRV. It is based on a diving bell design.

The People's Republic of China has three Dajiang (大江) class submarine rescue ships. Each ship is equipped with two DSRV. The lead ship of the Dajiang class is the Changxingdao (長興島, 861).

France, Norway and the UK share the NATO Submarine Rescue System programme.

Italy operates Italian ship Anteo (A5309) equipped too with the SRV-300 submersible in a submarine rescue role

The Japan Maritime Self-Defense Force operate two DSRVs with dedicated mother ships.

The Korean navy operates a submarine rescue ship called Cheong Haejin. It has a dedicated mother ship. The model is based on a modified British design.

Russia is believed to have one vessel of the Bester class and five of the Priz class, which was involved in the failed attempt to rescue the crew of the Kursk.

MV Swift Rescue, launched 29 November 2008, is Singapore's first and only submarine recovery vessel. It is equipped with a deep submergence rescue vehicle.

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Wikipedia