On 30 July 1951, "Anzac" left Australian waters for her first deployment to the Korean War. Arriving in Japan on 14 August, the destroyer was assigned as an escort to the United States Navy (USN) escort carrier and operated off the west coast of Korea. "Sicily" was replaced by the Royal Navy (RN) light carrier on 2 September, and on 6 September, "Anzac" was ordered to shell a suspected communist position near Haeju, and fired in anger for the first time at 18:15. During 12–26 September, "Anzac" led US Ships and in a blockade of Wosan, before returning to Japanese waters at the end of the month.