Great War Dundee
This is Dundee's story of those that served in the First World War, and of the people left at home
10 May 1917
Convoy system (merchant ships under naval protection) introduced by British to combat German submarine threat. Previously opposed to the idea, the Admiralty agreed to it after 874,140 tons of shipping were lost to U-boats in April 1917. The convoy system quickly reduced losses in convoy to 10% of those suffered by independent ships.