 She continued patrolling off Guantanamo until 9 July, when she left for New York via Key West.Upon her arrival at the New York Navy Yard on 19 July, "Porter" was placed in reduced commission and decommissioned on 5 November 1898.She recommissioned on 10 October 1899 at New York and served as a training ship for firemen at Newport, Norfolk and Annapolis.