The Royal Navy Astute-class nuclear attack submarine HMS Artful, S121, fitted with a Special Forces Dry Dock Shelter (DDS).

Location: Off Blairmore, Loch Long, Scotland.

The Royal Navy Astute-class nuclear attack submarine HMS Artful, S121, fitted with a Special Forces Dry Dock Shelter (DDS).

Location: Off Blairmore, Loch Long, Scotland.