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U.S. Defense Secretary James Mattis talks to journalists while waiting for Greek Defense Minister Panos Kammenos at the Pentagon in Virginia, the United States, on Oct. 9, 2018. (Xinhua/Liu Jie)?
U.S. Defense Secretary James Mattis talks to journalists while waiting for Greek Defense Minister Panos Kammenos at the Pentagon in Virginia, the United States, on Oct. 9, 2018. (Xinhua/Liu Jie)?