 "Dubuque" was recommissioned 25 May 1922 and sailed from Portsmouth 8 June for Detroit, Michigan, where she arrived 24 June.Attached to the 9th Naval District, she took Naval Reservists on cruises from her home port of Detroit into Lakes Superior and Michigan every summer.She was placed in reduced commission 1 November 1940 and on the 14th sailed for Boston, where she was assigned to the 1st Naval District and was modernized and refitted.