A convoy with US President Donald Trump arrives at the Lincoln Memorial Reflecting Pool in Washington, DC, on May 7, 2026. Workers have been resurfacing the bottom of Washington's famous Lincoln Memorial Reflecting Pool with "American flag blue"-colored material used in swimming pools, following an order by US President Donald Trump. (Photo by Kent NISHIMURA / AFP via Getty Images)

US Secretary of the Interior Doug Burgum speaks while US President Donald Trump and US Secretary of Homeland Security Markwayne Mullin listen, at the Lincoln Memorial Reflecting Pool in Washington, DC, on May 7, 2026. Workers have been resurfacing the bottom of Washington's famous Lincoln Memorial Reflecting Pool with "American flag blue"-colored material used in swimming pools, following an order by US President Donald Trump. (Photo by Kent NISHIMURA / AFP via Getty Images)

US President Donald Trump speaks with workers who have been painting the Lincoln Memorial Reflecting Pool in Washington, DC, on May 7, 2026. Workers have been resurfacing the bottom of Washington's famous Lincoln Memorial Reflecting Pool with "American flag blue"-colored material used in swimming pools, following an order by US President Donald Trump. (Photo by Kent NISHIMURA / AFP via Getty Images)

A convoy with US President Donald Trump arrives at the Lincoln Memorial Reflecting Pool in Washington, DC, on May 7, 2026. Workers have been resurfacing the bottom of Washington's famous Lincoln Memorial Reflecting Pool with "American flag blue"-colored material used in swimming pools, following an order by US President Donald Trump. (Photo by Kent NISHIMURA / AFP via Getty Images)

US President Donald Trump speaks with workers who have been painting the Lincoln Memorial Reflecting Pool in Washington, DC, on May 7, 2026. Workers have been resurfacing the bottom of Washington's famous Lincoln Memorial Reflecting Pool with "American flag blue"-colored material used in swimming pools, following an order by US President Donald Trump. (Photo by Kent NISHIMURA / AFP via Getty Images)

US President Donald Trump speaks with workers who have been painting the Lincoln Memorial Reflecting Pool in Washington, DC, on May 7, 2026. Workers have been resurfacing the bottom of Washington's famous Lincoln Memorial Reflecting Pool with "American flag blue"-colored material used in swimming pools, following an order by US President Donald Trump. (Photo by Kent NISHIMURA / AFP via Getty Images)

US President Donald Trump speaks with workers who have been painting the Lincoln Memorial Reflecting Pool in Washington, DC, on May 7, 2026. Workers have been resurfacing the bottom of Washington's famous Lincoln Memorial Reflecting Pool with "American flag blue"-colored material used in swimming pools, following an order by US President Donald Trump. (Photo by Kent NISHIMURA / AFP via Getty Images)

US President Donald Trump, flanked by White House 'border czar' Tom Homan (L) and US Secretary of Homeland Security Markwayne Mullin (R), speaks with workers who have been painting the Lincoln Memorial Reflecting Pool in Washington, DC, on May 7, 2026. Workers have been resurfacing the bottom of Washington's famous Lincoln Memorial Reflecting Pool with "American flag blue"-colored material used in swimming pools, following an order by US President Donald Trump. (Photo by Kent NISHIMURA / AFP via Getty Images)