War Order No. 154

High Quality Content by WIKIPEDIA articles! War Order No. 154 was issued during World War II at the end of November or the beginning of December 1939. It was the first explicit instruction by the German Navy (German: Kriegsmarine) to use the tactics of unrestricted submarine warfare.The German Navy started World War II with Prize Rules which complied with Article 22 of the First London Naval Treaty. The Third Reich was indirectly bound to the Second London Naval Treaty of 1936 by the 1935 Anglo-German Naval Agreement and the Second London Naval Treaty affirmed that Article 22 of the 1930 treaty remained in force, and "all others Powers [were invited] to express their assent to the rules embodied in this Article"