Marine One, carrying US President Donald Trump, and a support helicopter depart over the National Mall for Joint Base Andrews, in Washington, DC on July 27, 2026. Trump is traveling to Milford, Michigan to deliver remarks at General Motors' vehicle testing site Milford Proving Ground. (Photo by Kent Nishimura / AFP via Getty Images)

Marine One, carrying US President Donald Trump, and a support helicopter depart over the National Mall for Joint Base Andrews, in Washington, DC on July 27, 2026. The renovation of the pool next to Lincoln Memorial is a pet project of US President Donald Trump's, but the remodel has been dogged by the growth of algae and peeling paint which the president alleges is the work of vandals. (Photo by Kent Nishimura / AFP via Getty Images)

Workers are seen making areas on the floor of the Lincoln Memorial Reflecting Pool in Washington, DC on July 27, 2026. The renovation of the pool next to Lincoln Memorial is a pet project of US President Donald Trump's, but the remodel has been dogged by the growth of algae and peeling paint which the president alleges is the work of vandals. (Photo by Kent Nishimura / AFP via Getty Images)

A worker is seen making areas on the floor of the Lincoln Memorial Reflecting Pool in Washington, DC on July 27, 2026. The renovation of the pool next to Lincoln Memorial is a pet project of US President Donald Trump's, but the remodel has been dogged by the growth of algae and peeling paint which the president alleges is the work of vandals. (Photo by Kent Nishimura / AFP via Getty Images)

A worker is seen making areas on the floor of the Lincoln Memorial Reflecting Pool in Washington, DC on July 27, 2026. The renovation of the pool next to Lincoln Memorial is a pet project of US President Donald Trump's, but the remodel has been dogged by the growth of algae and peeling paint which the president alleges is the work of vandals. (Photo by Kent Nishimura / AFP via Getty Images)

People look through the fencing and take pictures as a worker is seen inspecting areas on the floor of the Lincoln Memorial Reflecting Pool in Washington, DC on July 27, 2026. The renovation of the pool next to Lincoln Memorial is a pet project of US President Donald Trump's, but the remodel has been dogged by the growth of algae and peeling paint which the president alleges is the work of vandals. (Photo by Kent Nishimura / AFP via Getty Images)

A piece of tape marks where the liner of the Lincoln memorial reflecting pool is seen peeling on the National Mall in Washington, DC on July 27, 2026. The renovation of the pool next to Lincoln Memorial is a pet project of US President Donald Trump's, but the remodel has been dogged by the growth of algae and peeling paint which the president alleges is the work of vandals. (Photo by Kent Nishimura / AFP via Getty Images)

WASHINGTON, DC - JULY 27: U.S. President Donald Trump and Special Assistant to the President and Communications Adviser Margo Martin (R) arrive at the Ellipse to board Marine One en route to Joint Base Andrews on July 27, 2026 in Washington, DC. Trump is traveling to Milford, Michigan to visit a General Motors facility. (Photo by Anna Moneymaker/Getty Images)