 During the Marshall Islands' nuclear tests of 1956, she acted as a life guard ship; and, in May 1959, she steamed from duty in the Formosa Strait to assist and guard SS "President Hayes", grounded in the Paracel Islands off Vietnam.She also served as plane guard during carrier flight operations, and on four occasions during 1960 and 1961 she effected or assisted in successful rescues of downed pilots and flight crews.While deployed with the Fleet, "James E. Kyes" engaged in numerous operations designed to test and improve her performance as a fighting ship.