Unretricted Submarine warfare allowed German U-boat commanders to attack and sink – without warning – any ships carrying cargoes destined for Britain and her allies – including ships from neutral countries such as the United States. Not surprisingly, merchant shipping losses increased dramatically.
Donor : Mr. Martin Spaldin
Creator : unknown
Location
The following photographs were all taken from an album (now in the possession of loacl ship enthusiast Mr. Martin Spaldin, and held at the Imperial war Museum), compiled by a German submariner who sailed on the UC-21, one of the most successful German submarines of the First World War.
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