The fifth USS Powhatan (YT-128) was a yard tug that served in the United States Navy from 1938 to 1976. She was reclassified YTM-128 in 1944. USS Powhatan (YT-128) was laid down on 28 March 1938 by the Boston Navy Yard, Boston, Massachusetts and launched o 10 June 1938. She was completed and delivered to the U.S. Navy on 16 September 1938. Her career from 1970 through 1976 requires further research. Powhatan was sold for scrap in 1976, and was subsequently lost while under tow by USNS San Juan to a scrapper in the Carolinas.