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NORTH CHARLESTON, SC - FEBRUARY 17: U.S. President Donald Trump addresses a crowd during the debut event for the Dreamliner 787-10 at Boeing's South Carolina facilities on February 17, 2017 in North Charleston, South Carolina. The airplane begins flight testing later this year and will be delivered to airline customers starting in 2018. (Photo by Sean Rayford/Getty Images)

NORTH CHARLESTON, SC - FEBRUARY 17: U.S. President Donald Trump addresses a crowd during the debut event for the Dreamliner 787-10 at Boeing's South Carolina facilities on February 17, 2017 in North Charleston, South Carolina. The airplane begins flight testing later this year and will be delivered to airline customers starting in 2018.  (Photo by Sean Rayford/Getty Images)