WASHINGTON, DC - APRIL 09: NATO Secretary General Mark Rutte speaks at the Ronald Reagan Presidential Foundation and Institute on April 09, 2026 in Washington, DC. Rutte's remarks on sustaining the NATO alliance come a day after attending a White House meeting with U.S. President Donald Trump, who has criticized alliance members for declining to take part in his attack on Iran and threatened to pull the United States out of NATO. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - APRIL 09: NATO Secretary General Mark Rutte speaks at the Ronald Reagan Presidential Foundation and Institute on April 09, 2026 in Washington, DC. Rutte's remarks on sustaining the NATO alliance come a day after attending a White House meeting with U.S. President Donald Trump, who has criticized alliance members for declining to take part in his attack on Iran and threatened to pull the United States out of NATO. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - APRIL 09: NATO Secretary General Mark Rutte speaks at the Ronald Reagan Presidential Foundation and Institute on April 09, 2026 in Washington, DC. Rutte's remarks on sustaining the NATO alliance come a day after attending a White House meeting with U.S. President Donald Trump, who has criticized alliance members for declining to take part in his attack on Iran and threatened to pull the United States out of NATO. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - APRIL 09: NATO Secretary General Mark Rutte speaks at the Ronald Reagan Presidential Foundation and Institute on April 09, 2026 in Washington, DC. Rutte's remarks on sustaining the NATO alliance come a day after attending a White House meeting with U.S. President Donald Trump, who has criticized alliance members for declining to take part in his attack on Iran and threatened to pull the United States out of NATO. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - APRIL 09: NATO Secretary General Mark Rutte speaks at the Ronald Reagan Presidential Foundation and Institute on April 09, 2026 in Washington, DC. Rutte's remarks on sustaining the NATO alliance come a day after attending a White House meeting with U.S. President Donald Trump, who has criticized alliance members for declining to take part in his attack on Iran and threatened to pull the United States out of NATO. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - APRIL 09: NATO Secretary General Mark Rutte speaks at the Ronald Reagan Presidential Foundation and Institute on April 09, 2026 in Washington, DC. Rutte's remarks on sustaining the NATO alliance come a day after attending a White House meeting with U.S. President Donald Trump, who has criticized alliance members for declining to take part in his attack on Iran and threatened to pull the United States out of NATO. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - APRIL 09: NATO Secretary General Mark Rutte speaks at the Ronald Reagan Presidential Foundation and Institute on April 09, 2026 in Washington, DC. Rutte's remarks on sustaining the NATO alliance come a day after attending a White House meeting with U.S. President Donald Trump, who has criticized alliance members for declining to take part in his attack on Iran and threatened to pull the United States out of NATO. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - APRIL 09: NATO Secretary General Mark Rutte (L) shakes hands with Ronald Reagan Presidential Foundation and Institute President and CEO David Trulio as he arrives to speak at the Ronald Reagan Presidential Foundation and Institute on April 09, 2026 in Washington, DC. Rutte's remarks on sustaining the NATO alliance come a day after attending a White House meeting with U.S. President Donald Trump, who has criticized alliance members for declining to take part in his attack on Iran and threatened to pull the United States out of NATO. (Photo by Andrew Harnik/Getty Images)