東南アジア条約機構
On 17 February 1962, "Washoe County" began her participation in the large-scale Southeast Asia Treaty Organization (SEATO) Exercise Tulungan in the Philippine area which lasted through 20 April 1962. She then devoted the remainder of 1962 to visiting the ports of Keelung, Taiwan; Subic Bay, the Philippines; Hong Kong; and Beppu and Kyūshū, Japan. During July and August 1962, she joined in Operation Seven Seas off Korea. On 8 December 1962, she entered the shipyard at Yokosuka for an overhaul.