The destroyer then reported to Commander, Southern Screen, for duty. Steaming back to Kwajalein on 26 February, "Aylwin" patrolled off Eniwetok and Majuro through mid-March as mop-up operations continued at those places. She was assigned next to TG 58.2, including , , , and . On 30 March, the Fast Carrier Task Force commenced intensive bombing of Japanese airfields, shipping, fleet servicing facilities, and other installations in the Carolines, continuing the raids until 1 April. "Aylwin" helped to drive off planes during the approach of the carriers on the 29th and 30th and, at 13:43 on the latter day, sighted a damaged Curtiss SB2C "Helldiver" from "Bunker Hill" air group ditch a short way off. The destroyer altered course and soon thereafter picked up the pilot and his radioman.