Australian Defence Vessel (ADV) Ocean Shield is a ship of the Royal Australian Navy (RAN). Ordered by DOF Subsea as the offshore support vessel MSV Skandi Bergen, the ship was laid down by STX OSV. During construction, the vessel was sold to the RAN in March 2012. Renamed Ocean Shield, the ship entered service in June 2012 as a civilian-crewed humanitarian and disaster relief vessel, operating in support of the RAN's amphibious warfare vessels.