WASHINGTON, DC - JUNE 24: (L-R) U.S. President Donald Trump, accompanied by Vice President J.D. Vance, Secretary of War Pete Hegseth, Special Envoy to the Middle East Steve Witkoff, and U.S. Ambassador to NATO Matthew Whitaker, speaks during a meeting with NATO Secretary-General Mark Rutte 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. Also pictured is Secretary of War Pete Hegseth (2nd-R) and Special Envoy to the Middle East Steve Witkoff (R). (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - JUNE 24: (L-R) Vice President J.D. Vance, Secretary of War Pete Hegseth, and U.S. Ambassador to NATO Matthew Whitaker, attend a meeting with U.S. President Donald Trump and NATO Secretary-General Mark Rutte 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. Also pictured is Secretary of War Pete Hegseth (2nd-R) and Special Envoy to the Middle East Steve Witkoff (R). (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - JUNE 24: Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine (C) and Special Envoy to the Middle East Steve Witkoff (L) attend 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)

WASHINGTON, DC - JUNE 24: U.S. Deputy National Security Advisor Michael Needham attends a meeting between 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)

WASHINGTON, DC - JUNE 24: U.S. President Donald Trump (R), accompanied by NATO Secretary-General Mark Rutte (L), speaks during a meeting 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)

WASHINGTON, DC - JUNE 24: Vice President J.D. Vance 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)

WASHINGTON, DC - JUNE 24: U.S. President Donald Trump attends a meeting with NATO Secretary-General Mark Rutte 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)

WASHINGTON, DC - JUNE 24: U.S. President Donald Trump speaks during a meeting with NATO Secretary-General Mark Rutte 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)