 She then steamed westward to take part in the capture of Leyte, including the Ormoc landings (9 November – 8 December), Mindoro landings (12–18 December), Lingayen Gulf landings (4–21 January 1945); Iwo Jima invasion, including the 5th Fleet's supporting raids on Honshū and the Nansei Shoto (10–19 February, 25 February – 1 March); joined Task Force 54 (TF 54) for the invasion of Okinawa (21 March – 30 June), and the 3rd Fleet raids on Japan (10–24 July).After a brief tour with the occupation forces in Japan, "Barton" returned to Seattle on 6 October.She operated along the west coast until June 1946, when she departed Oakland for Bikini Atoll, where she participated in Operation Crossroads (15 June – 10 August).