(DD-71: dp. 1,125; l. 315'6"; b. 31'4"; dr. 8'1"; s. 30 k.; cpl. 100; a. 44", 2 1 pdrs., 1 6" Y-gun, 12 21" tt.;Cl. Caldwell)

The second Gwin (DD-71) was launched 22 December 1917 by the Seattle Const. & Drydock Co., Seattle, Wash.; sponsored by Mrs. James S. Woods; and commissioned at Puget Sound 18 March 1920, Lt. Comdr. H. H. Bousen in command.

Gwin departed Puget Sound 26 April for calls at California ports, thence through the Panama Canal for Newport, R.I., arriving 2 June. Following operations along the eastern seaboard as far south as Charleston, S.C., she decommissioned in the Philadelphia Navy Yard 28 June 1922. She remained inactive at Philadelphia until her name was struck from the Navy List 25 January 1937. Her hulk was sold for scrapping 16 March 1939 to the Union Shipbuilding Co., Baltimore, Md.