and destroyed mines drifting nearby. Worcester—having served as flagship for TG 95.2, Rear Admiral C. C. Hartman embarked—arrived back at Sasebo for replenishment on 8 October and fueled there before disembarking Rear Admiral Hartman. While still at Sasebo, Worcester became a flagship again the next day when Rear Admiral Allan E. Smith, Commander, TF 95 came aboard. At 12:48 on 10 October, Worcester got underway to return to the east coast of Korea—this time to screen minesweeping operations at the port of Wonsan and to support the advance of the 3rd Republic of Korea (ROK) Army Division. Early on the next day, the British destroyer , the Australian destroyer , and the Canadian destroyer joined Worcesters group which already included the British light cruiser HMS Ceylon and the heavy cruiser Helena besides the American warships , , and . On 12 October, the battleship joined. While Missouris helicopter searched the projected bombardment track for mines, the UN force formed up for battle. At 11:50, when a shell from an unobserved shore battery fell short of the group, it apparently signaled the beginning. Worcester hoisted the blue and white UN flag to the foretruck and commenced firing at exactly noon on 12 October. For almost the next 90-odd minutes, Worcesters 6-inch guns hammered at iron works and railroad tunnels in the vicinity. The next day, she extended her target list to include railroad marshalling yards, tearing up sections of track and blasting rolling stock. Over the next few days, Worcester and the ships accompanying her proceeded to rain destruction on targets of opportunity near Wonsan—targets that ranged from railroad marshalling yards to rolling stock and adjacent warehouse areas. Also, on 16 October, Worcester, Helena, and accompanying destroyers fired at unidentified radar contacts—"blips" on the radar screens that approached from the northward. After returning to Sasebo, Worcester returned briefly to Wonsan to transfer mail, passengers, and her helicopter unit to Rochester on 21 October, before she sailed from Wonsan at 17:23 on that day, in company with Helena and screened by and . Joined later by , Worcester parted company with the others and, escorted only by Collett, headed for Sasebo where, upon arrival, Rear Admiral Smith disembarked and shifted his flag to the destroyer tender . Worcester completed the transfer of helicopter personnel, spares, and equipment to Fleet Activities, Sasebo, and, at 17:01 on 23 October, headed for Yokosuka. She reached