Quebec. Köln made her last voyage to Boston on 29 July 1914 before war and internment. World War I When World War I broke out in August 1914, Köln was interned by the United States Government. When the United States entered the war in April 1917, Köln was seized, U.S.A.C.T. Amphion (April 1917 – April 1919 The USSB was operating the ship, with a Naval gun crew for protection, for United States Army requirements as the United States Army Chartered Transport (U.S.A.C.T.) Amphion to be used as an animal transport to move mules and horses for American Expeditionary Force (A.E.F.) in France. Amphion was the first animal transport to sail from the Chesapeake on 14 October 1917, with forage, 881 mules, 169 horses and general cargo. The transport, loaded with animals for the A.E.F., was approaching Brest alone on 30 October 1917 separated from a convoy in fog when a surfaced submarine was spotted close on the port bow. The bridge officer turned sharply toward the submarine, attempting to ram, and the forward gun got off three shots followed by the gun on the stern. Some shots seemed to be hits, and the gun crews were officially commended. Amphion was returning to the United States on 12 October 1918 when the German submarine attacked with gunfire in the Atlantic Ocean at . The first shot disabled Amphion's wireless, and the submarine fired about two hundred more rounds as Amphion fled, firing about seventy-two rounds in return, with one believed aboard to be a hit. The German fire riddled the upper works and destroyed five lifeboats before Amphion outran the submarine. Two of the ship's crew were killed, one lasting until landed at Bermuda, with the more seriously of the six surviving wounded, including two of the gunners, were landed for treatment. U.S.S. Amphion (April—September 1919) World War I ended on 11 November 1918. With the war over, Amphion was transferred to and commissioned by the United States Navy as USS Amphion (ID Number 1888) in April 1919. Between 21 May and 3 September 1919, USS Amphion journeyed thrice to France – twice to St. Nazaire and once to Brest – bringing home 6,410 American troops. Amphion was decommissioned at Brooklyn, New York, on 27 September 1919 and turned over to the United States Shipping Board (USSB) for disposition. Her name was simultaneously stricken from the Naval list. The USSB solicited