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U.S. Secretary of Defense Mark Esper (L front) welcomes South Korean Defense Minister Jeong Kyeong-doo at the Pentagon in Arlington, Virginia, the United States, on Feb. 24, 2020. (Photo by Ting Shen/Xinhua)
U.S. Secretary of Defense Mark Esper (L front) welcomes South Korean Defense Minister Jeong Kyeong-doo at the Pentagon in Arlington, Virginia, the United States, on Feb. 24, 2020. (Photo by Ting Shen/Xinhua)