She arrived in Plymouth, England, 26 March 1919; transported a contingent of British-American troops from Harwich to Murmansk, USSR as part of Allied intervention in the Russian Civil War there; then served as flagship of Squadron 3, Patrol Force, in Western European waters. She was largely concerned with the movement of prize crews and repatriation of crews of German ships until 22 June 1919 when she got underway to serve as station and flagship at Constantinople, Turkey. She arrived on station 14 July 1919 and broke the flag of Rear Admiral Mark L. Bristol; transported refugees and American Red Cross officials to Constantinople from the Russian ports of Novorossiysk and Theodosia; and carried Rear Admiral Newton A. McCully from Theodosia to Yalta. She was relieved as station ship at Constantinople on 15 July 1920 by cruiser .