1919-1939
After returning the Lighthouse Service, Mayflower again operated in the 2nd Lighthouse District. In 1924, she transferred to the 5th Lighthouse District. On 1 July 1939 the Lighthouse Service merged into the United States Coast Guard, and in December 1939 Mayflower was decommissioned and transferred to the Maritime Training Service in Boston, Massachusetts.
Read more about this topic: USS Mayflower (1897)