Sinking of the RMS Lusitania significant "false flag" controversy left the ship; Cunard later explained that he was "tired and really ill." He was replaced with a new commander, Captain William Thomas Turner, who had previously commanded "Lusitania", "Mauretania", and "Aquitania" in the years before the war. On 17 April 1915, "Lusitania" left Liverpool on her 201st transatlantic voyage, arriving in New York on 24 April. A group of German–Americans, hoping to avoid controversy if "Lusitania" were attacked by a U-boat, discussed their concerns with a representative of the German Embassy. The embassy decided to warn passengers before her next crossing not to sail aboard
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