 He became naval attaché at Berlin, Germany, in May 1935, with additional duty at Oslo, Norway; Copenhagen, Denmark; Stockholm, Sweden; The Hague, the Netherlands; and, after 1935, at Helsingfor, Finland.He returned to the United States in April 1937 and on 10 June of that year assumed command of .Captain Dutton died suddenly on 30 November 1937 at South Gate, California, while in command of "Portland".