"Abnaki" departed Subic Bay on 25 November and set course for Vietnam. On the 27th, the fleet tug joined and near Đức Phổ, South Vietnam, to assist in salvaging . After much labor, they refloated the tank landing ship on 1 December. On 7 December, she relieved as trawler surveillance unit. Relieved of that mission on the 23d, "Abnaki" steamed to My Tho where she picked up a tow on the 27th and shaped a course for Sasebo. However, the fleet tug stopped at Kaohsiung, Taiwan, from 6 to 19 January 1968 to have the patch on the hull of the barge she was towing replaced. Continuing on, "Abnaki" towed her charge into Sasebo on the 24th. On 30 January, she stood out of Sasebo on her way back to Pearl Harbor.