After eight days of upkeep at Subic Bay, she put to sea for a second tour of duty in Vietnamese waters. That mission concluded, "Abnaki" shaped a course for Hong Kong on 30 April for a liberty call from 3 to 8 May. Following a visit to Yokosuka from 14 to 20 May, the ship began the voyage back to Hawaii and arrived at Pearl Harbor on 1 June. After a 16-day leave and upkeep period, she resumed mid-Pacific operations out of her home port.