 The ship remained on the "gun line" until early September conducting underway replenishments of fuel from and , stores from and , and ammunition from between gun shoots and occasional plane guard duties behind one of the three to four attack carriers operating in the vicinity.On 27 February 1966, "Larson" left Long Beach Naval Shipyard, after completing a regularly scheduled overhaul, which commenced in November 1965.She conducted local operations until 12 March when she began refresher training at San Diego, California.