USS Paul F. Foster (DD-964), named for Vice Admiral Paul F. Foster USN (1889–1972), is a Spruance-class destroyer built by the Ingalls Shipbuilding Division of Litton Industries at Pascagoula, Mississippi. She was commissioned on 21 February 1976 and decommissioned on 27 March 2003. She is now ex-Paul F. Foster, serving as a Self Defense Test Ship for experimental U.S. Navy weapons and sensors.