Operating together with support units, she departed Ulithi on 8 February to provide a screen for refueling operations during the Iwo Jima invasion. When that island was secure, giving the United States an air strip vitally needed as base for future B-29 raids on Japan, "Kyne" returned Ulithi on 5 March. Sailing again on 25 March as a screen to oilers, she made her way to Okinawa — the last step on the road to Japan. She continued screen and patrol operations for the support unit throughout most of the Okinawa campaign, returning to Ulithi on 21 May.