On July 1 1971, Tench-class submarine USS Thornback (SS-418) was decommissioned for the last time, and transferred to Turkey as TCG Uluçalireis (S 338).
On July 1 1971, Tench-class submarine USS Thornback (SS-418) was decommissioned for the last time, and transferred to Turkey as TCG Uluçalireis (S 338).