FILE -United States President Joe Biden, left, and Ukraine's President Volodymyr Zelenskyy pass by flags of G7 countries prior to an address by G7 leaders and Ukraine's President Volodymyr Zelenskyy during a NATO summit in Vilnius, Lithuania, Wednesday, July 12, 2023. United States President Joe Biden and his counterparts meet in Washington for a three-day summit beginning Tuesday, July 9, 2024 to mark the military alliance's 75th anniversary, with Russian troops pressing their advantave along Ukraine's eastern front in the third year of war. (AP Photo/Pavel Golovkin, File)