The third USS Powhatan was a steam tug that served in the United States Navy from 1898 to 1928, was renamed USS Cayuga in 1917, and was later designated YT-12. Powhatan, formerly Penwood, was built in 1892 by the Maryland Steel Company, Baltimore, Maryland. She was purchased by the United States Navy on 8 April 1898 and commissioned on 20 April 1898, Lieutenant F. M. Russell in command. Powhatan was first attached to the Auxiliary Naval Force based at Pensacola, Florida, from 11 June 1898 to 8 August 1898. Later she was assigned to the Pensacola Navy Yard as yard tug.