 Upon returning to the United States after the war , McDougal conducted operations with the destroyers of the Atlantic Fleet until August 1919 , when she was placed in reserve , still in commission . After a brief stint of operations in mid 1921 , she was placed in reserve until she was decommissioned at Philadelphia in May 1922 . In June 1924 , Ericsson was transferred to the United States Coast Guard to help enforce Prohibition as a part of the " Rum Patrol " . She operated under the name <unk> McDougal ( CG @-@ 6 ) until May 1933 , when she was returned to the Navy . In November she dropped her name to free it for a new destroyer of the same name , becoming known only as DD @-@ 54 . She was struck for the Naval Vessel Register in July 1934 sold for scrapping in August . 
