RMS Mauretania (1906) and were requested by the British government to become armed merchant cruisers, but their huge size and massive fuel consumption made them unsuitable for the duty, and they resumed their civilian service on 11 August. Later, due to lack of passengers crossing the Atlantic, "Mauretania" was laid up in Liverpool until May 1915 at the time that "Lusitania" was sunk by a German U-boat. "Mauretania" was about to fill the void left by "Lusitania", but she was ordered by the British government to serve as a troop ship to carry British soldiers during the Gallipoli Campaign. She avoided becoming prey
First engagement of neutral United States in World War II before the attack on Pearl Harbor to attack. The "Niblack" attacked with depth charges and drove off the U-boat. There were no casualties on board "Niblack" or the U-boat. By coincidence, USS "Niblack" was later in the same convoy as, and picked up survivors from, the USS "Reuben James" when that ship was sunk. The first American hostile action against Axis forces that resulted in physical destruction was on 14 September 1941, when destroyed a German weather station in northeast Greenland. The action was based on an agreement with Danish Ambassador to the United States Henrik Kauffmann in April 1941 to patrol the Danish island. The