"Krishna" remained on station until 1 December when she departed for Bangkok, Thailand, arriving 3 December. She returned to her various support duties in the Gulf of Thailand 11 December. In February "Krishna" raised and salvaged "PCF-4". On 30 April, men from "Krishna" helped extinguish a fire in An Thoi, a South Vietnamese village. She had a number of distinguished visitors through 1966, including Secretary of the Navy Paul H. Nitze on 15 July. On 21 July the landing craft repair ship headed for Sasebo, Japan with a stopover at Kaoshiung, Taiwan on 29 July to provide repair facilities, arriving Sasebo 9 August. "Krishna" departed Sasebo for Vietnam 22 September, arriving in the Gulf of Thailand 7 October to resume her WestPac mission. "Krishna" continued to patrol off the coast of Vietnam through 1966 into 1967.