 In July 1949, "Cardigan Bay" and sister ship were transferred to the Eastern Fleet, based at Singapore, arriving there in August, for a series of exercises and patrols off Malaya and China, deploying on the Yangtze Patrol with "St Brides Bay" and the sloop in November and December.In October 1950 "Cardigan Bay" was detached for service with the United Nations as part of British and Commonwealth support for naval operations off Korea, sailing from Hong Kong on 17 November to Sasebo to join the UN Naval Task Group.In December she sailed on her first operational deployment off the west coast of Korea supporting UN personnel at Inchon.