German U-Boat Type Xxi: Were A Class Of German Diesel-Electric Submarines Designed During The Second World War. They Were The First Submarines Able To Operate Primarily Submerged Rather Than Spending Most Of Their Time As Surface Ships. Item#:Mms121 Number Of Sheets:2 Sheets Difficulty:Moderate
This Product Was Added To Our Catalog On September 15, 2017
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