Following replenishment at Ulithi, Western Carolines, "Paul Hamilton" participated in the assault on Iwo Jima. She contributed shore bombardment, fire support and pilot rescue, 10 February to 11 March. Following rescue efforts in the Volcano and Bonin Islands, she joined Task Force 54 (TF 54) to provide fire support during the Battle of Okinawa for the landings at Kerama Retto, Okinawa Jima, Tsuken Shima, Ie Shima, Iheya Shima, and Aguni Shima, during deployment 21 March to 17 June.