WASHINGTON, DC - JUNE 24: Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine attends a meeting with NATO Secretary-General Mark Rutte and U.S. President Donald Trump in the Oval Office of the White House on June 24, 2026 in Washington, DC. Secretary-General Mark Rutte is meeting with the President before the annual NATO summit next month and as the Pentagon does a six-month review of American forces in Europe. (Photo by Andrew Harnik/Getty Images)