"Fiske" returned to Subic Bay where, on 21 April, a change of Command ceremony was held, with Cdr. William McKinley, USN, relieving Captain Ewing. After some port time in Subic Bay, "Fiske" was underway once again for another War Patrol. She joined the on 26 April, and operated with her for the next ten days, with two short trips into the Gulf of Tonkin for SAR duty. Leaving "Hancock", "Fiske" then re-joined "Ranger", and escorted her to Yokusuka Naval Station, Japan, arriving on 12 May, and not departing until 25 May for her third War Patrol due to casualties to the "Ranger", and to the . She entered the Combat Zone on 28 May.