SMY 15  OGLALA (CM4)  Blt. 1907 Wm. Cramp & Sons as express freighter SS Masschuetts; USN purchased Nov '17; converted to minelayer, Boston Navy Yd., & re-named USS Shawmut, 3476 tons displ. 395x52, 25x15.5 ft; Recip SHP 7000 = 17 kts; 1x5"/51 + 2x3"/50 + 800 mines.  Laid North Sea Mine Barrage (Scotland-Norway) Jun-Dec 1918; 1920-28 served as 'aviation tender'; Jan '28 renamed OGLALA, became flagship Mine Div 1. Pearl Harbor, 7 Dec '41.  Sunk alongside USS HELENA (CL 50), raised late '42, repaired, redesignated ARG1, 21 May '43: operated Central Pacific, June '43 - VJ Day, decommissioned and stricken July 1946, scrapped 1965.