WASHINGTON, DC - JULY 10: U.S. President Joe Biden and NATO Secretary General Jens Stoltenberg greet Estonian Prime Minister Kaja Kallas (C) on stage before a group photo during the 2024 NATO summit on July 10, 2024 in Washington, DC. NATO leaders convene in Washington this week for its annual summit to discuss future strategies and commitments and mark the 75th anniversary of the alliance's founding. (Photo by Andrew Harnik/Getty Images)