"Theodore E. Chandler" returned to Long Beach on 6 January 1965 for an overhaul at the Long Beach Naval Shipyard. After 10 weeks of refresher training and ASW exercises, she began preparations early in August for another deployment to the western Pacific. She departed Long Beach on 20 August and, following a nonstop voyage in company with DesDiv 92 and oilers and , arrived in Yokosuka on 4 September. Four days later, the warship put to sea again bound for the Philippines. Upon her arrival at Subic Bay, she received orders to the Taiwan Strait, and she patrolled those vital waters from 16 to 20 September. When she returned to the Philippines, "Theodore E. Chandler" began shore bombardment training at the Tabones range.