October 23, 2018 - Washington, District of Columbia, U.S. - United States President Donald J. Trump makes a statement to the media as he prepares to receive a briefing from senior military leaders in the Cabinet Room of the White House in Washington, DC on Tuesday, October 23, 2018. The President took questions on the proposed space force, immigration, the caravan and Saudi actions in the killing of Jamal Khashoggi. From left to right: US Secretary of Defense James Mattis; the President; US Marine Corps General Joseph F. Dunford, Chairman of the Joint Chiefs of Staff, and US Marine Corps Gen

October 23, 2018 - Washington, District of Columbia, U.S. - United States President Donald J. Trump makes a statement to the media as he prepares to receive a briefing from senior military leaders in the Cabinet Room of the White House in Washington, DC on Tuesday, October 23, 2018. The President took questions on the proposed space force, immigration, the caravan and Saudi actions in the killing of Jamal Khashoggi. From left to right: US Secretary of Defense James Mattis; the President; US Marine Corps General Joseph F. Dunford, Chairman of the Joint Chiefs of Staff, and US Marine Corps Gen

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October 23, 2018 - Washington, District of Columbia, U.S. - United States President Donald J. Trump makes a statement to the media as he prepares to receive a briefing from senior military leaders in the Cabinet Room of the White House in Washington, DC on Tuesday, October 23, 2018. The President took questions on the proposed space force, immigration, the caravan and Saudi actions in the killing of Jamal Khashoggi. From left to right: US Secretary of Defense James Mattis; the President; US Marine Corps General Joseph F. Dunford, Chairman of the Joint Chiefs of Staff, and US Marine Corps General Robert B. Neller, Commandant of the Marine Corps (Credit Image: © Ron Sachs/CNP via ZUMA Wire)