The task force covered the unopposed landings on Emirau Island on the 20th. On 26 March, "Thatcher" was reassigned to TG 58.3 of the Fast Carrier Task Force. She escorted the carriers as their aircraft flew strikes against Palau, Yap, Ulithi, and Woleai in the Caroline Islands from 30 March to 1 April. The task group then retired to the Marshall Islands to prepare for their next assault against Japanese bases.