"Porterfield" recommissioned 27 April 1951 and arrived Pearl Harbor 28 July, steaming for Yokosuka, Japan 7 August. Her first Korean assignment was in support of United Nations policies as a part of Task Force 77 off the Korean East Coast where she performed screening and destroyer duties. On 12 December "Porterfield" joined Task Group 95.11 in the Yellow Sea off the Korean West Coast, and until late December acted as a screening unit and plane guard as well as participating in numerous close support patrols.