Pearl Harbor from 9 to 11 August and reached Bremerton, Washington, on the 17th for an overhaul. Aylwin then went down the coast with and Farragut, reached San Pedro on 10 October, and set out for Hawaii the next day. Aylwin then trained in Hawaiian waters until 11 November, when she sailed for the western Pacific in company with , , and three destroyers. She reached Ulithi on 21 November and operated between there and the Philippines into the first week of December 1944. On 10 December, Aylwin—flagship of Commander TG 30.8 (a replenishment group), Captain Jasper Acuff—left Ulithi as the 3rd Fleet put to sea. Three days later, Aylwin rendezvoused with TF 38 and, upon completion of fueling operations early the following afternoon, cleared the area. On the morning of the 17th, TG 30.8 joined TF 38 and again commenced fueling. However, the weather soon began growing worse as a typhoon came into the Philippine Sea. After Aylwin rolled 70 degrees to port for the first time, her engines were ordered to be stopped. At 12:45, Machinists Mate 1st Class Theodore Sarenski was swept overboard; followed 10 minutes later by the chief engineer, Lt. E. R. Rendahl, USNR. Neither was rescued. A leak in the engine room at 19:30 drew all pumps into action. Aylwin survived the typhoon, but other ships had not fared so well. The storm claimed Hull, Monaghan, and , each with heavy loss of life. Her flooding under control, Aylwin arrived at Ulithi three days before Christmas. There, she received repairs alongside that lasted into January 1945. While at Ulithi, Aylwin conducted a brief patrol of the harbor after an explosion in —believed to have been caused by a submarine torpedo—but found no evidence of submarine activity. 1945 The destroyer continued her operations as screen for replenishment groups into February 1945. As part of the screen of TG 50.8, she—together with , , , , and reached Iwo Jima on 21 February. She then began protecting the transports. On 23 February, Aylwin was assigned to TF 54, the fire support group, and relieved . By that time, marines had occupied the southern section of Iwo Jima and were advancing to the north. On 23 and 24 February, Aylwin engaged in the Battle of Iwo Jima, before she left on the 25th for a fueling rendezvous en route back to Ulithi where she arrived on the