 Subsequently completing a Nuclear Weapons Acceptance Inspection (the first ship in her squadron to do so), "Terrell County" conducted two more transport lifts—both to Chu Lai, Vietnam—before rounding out the year 1966 by joining Task Unit 76.0.7 as part of the Da Nang-Chu Lai shuttle.The ship remained with Task Unit 76.0.7 until 18 January 1967, when she sailed for Okinawa.She proceeded from there to her home port, Yokosuka.