Cockleshell Heroes is a solitaire play game portraying Operation Frankton. Operation Frankton was a commando raid on ships based in the German occupied French port of Bordeaux during the Second World War. The raid was carried out by a small unit of the Royal Marines know as the Royal Marines Boom Patrol Detachment , who were part of a combined operations transported by the submarine, HMS Tuna. Variant rules for two players are included. —description from the publisher

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