United States President Donald J. Trump prepares to sign the Presidential Space Directive. 11th Dec, 2017. 1, directing NASA to return to the moon, alongside members of the Senate, Congress, NASA, and commercial space companies in the Roosevelt Room of the White House in Washington, Monday, December 11, 2017. Mandatory Credit: Aubrey Gemignani/NASA via CNP Credit: Aubrey Gemignani/CNP/ZUMA Wire/Alamy Live News

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United States President Donald J. Trump prepares to sign the Presidential Space Directive. 11th Dec, 2017. 1, directing NASA to return to the moon, alongside members of the Senate, Congress, NASA, and commercial space companies in the Roosevelt Room of the White House in Washington, Monday, December 11, 2017. Mandatory Credit: Aubrey Gemignani/NASA via CNP Credit: Aubrey Gemignani/CNP/ZUMA Wire/Alamy Live News

ZUMA Press, Inc. / Alamy Stock Photo

Image ID: KNJHH9