On 1 July 1975, "Tiru" was decommissioned and struck from the Navy list to be sold to the Turkish government. An American arms embargo imposed on Turkey as a result of the Cyprus tensions between Greece and Turkey delayed the sale, however, even though negotiations and arrangements had been well into the planning stages. The sale was never completed, and on 19 July 1979 "Tiru" was sunk as a target by the submarine at , about off Cape Hatteras, North Carolina.