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PEARL HARBOR, Hawaii (Aug. 9, 2021) Logo of Southeast Asia Cooperation and Training (SEACAT). In its 20th year, SEACAT is a multilateral exercise designed to enhance cooperation among 21 participating Southeast Asian countries and provide mutual support and a common goal to address crises, contingencies, and illegal activities in the maritime domain in support of a free and open Indo-Pacific. U.S. Navy graphic)