 During the deployment, she steamed and delivered nearly of oil and gasoline.Returning to the west coast between cruises to the Far East, "Tappahannock" conducted two more WestPac cruises, continuing her operations in support of 7th Fleet units in the ongoing task of sweeping the sea lanes off South Vietnam.During her second cruise, from March to September 1968, "Tappahannock" transferred of fuel oil and steamed in the course of her operations.