The vessel lay out-of-service from 1905 until 1908 when she being returned to test out an all-new oil-burning propulsion scheme. The switch from coal-fired boiler units to oil was a necessity for navy powers of the time for oil proved a much more effective fuel. She was recommissioned on October 8th, 1908 to continue her career as a test platform and, on January 1st, 1909, she was formally renamed as USS Cheyenne (M-10) to begin her sailing career anew. The Wyoming name was then passed to a new USN battleship, USS Wyoming (BB-32). Cheyenne, meanwhile, entered reserve status on June 8th and was decommissioned, again, on November 13th.
The following year, on July 11th, 1910, USS Cheyenne was recommissioned for service once more and assigned to the Washington Naval Militia for the state of Washington. She was then modified to serve as a submarine tender and was assigned to the 2nd Submarine Division, Pacific Torpedo Flotilla from there. Additional American refugee actions followed her as she rescued citizens from a collapsing situation in Mexico. When World War 1 arrived in the summer of 1914, Cheyenne continued in service along the West Coast of the United States but was called to Port Angeles, Washington when the United States entered the war in April of 1917.
After a period there, she was reassigned to the Atlantic Fleet and became flag ship of Division 3, Flotilla 1, Submarine Force, Atlantic Fleet. She then joined Division 1, American Patrol Detachment and served American interested in and around Mexico until October 1919. The war in Europe ended with the Armistice back in November of 1918.
In the post-war period, Cheyenne made her way to the Philadelphia Navy Yard in October of 1919 and was decommissioned on January 3rd, 1920. Following that, the vessel was redesignated as "IX-4" and recommissioned on September 22nd, 1920. After this, she was arranged as a training ship for the Naval Reserve Force and served in this role until 1925. The warship was deactivated on January 27th, 1926, decommissioned on June 1st of that year, struck from the Naval Register on January 25th, 1937 and sold off for scrapping on April 20th, 1939.
With the end of USS Cheyenne, the United States Navy said goodbye to their last serving monitor warship.
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