Ship Type Landing Ship Dock Parent Type: Amphibious Warfare Learn about LSD vessels. Ships with floodable docks for landing craft. Classes in this Type Tree Other / Unspecified (1) Bay-class landing ship dock Ships in this Type Tree Decommissioned (1) RFA Largs Bay (L3006) – Bay-class landing ship dock In service (3) RFA Lyme Bay (L3007) – Bay-class landing ship dock RFA Mounts Bay (L3008) – Bay-class landing ship dock RFA Cardigan Bay (L3009) – Bay-class landing ship dock