A boy rides a scooter past a display of destroyed Russian military vehicles in Mykhailivska square in central Kyiv, Ukraine, Tuesday, Oct. 22, 2024. (AP Photo/Efrem Lukatsky)

Cadets turn on their flashlights to commemorate 659 Ukrainian children, who were killed during the war with Russia, in a military lyceum on World Children's Day in Kyiv, Ukraine, Wednesday, Nov. 20, 2024. (AP Photo/Efrem Lukatsky)

Cadets light candles in a 659 shape, the number of Ukrainian children killed in the war with Russia, in a military lyceum on World Children's Day in Kyiv, Ukraine, Wednesday, Nov. 20, 2024. (AP Photo/Efrem Lukatsky)

U.S. Defense Secretary Lloyd Austin delivers a speech during a groundbreaking ceremony for the Combined Coordination Center at Camp Aguinaldo military headquarters in Quezon City, Philippines Monday, Nov. 18, 2024. (AP Photo/Aaron Favila)

Schoolchildren make decorations for a St. Nicholas Residence and Workshop of Good Deeds in a basement bomb shelter of a military lyceum on World Children's Day in Kyiv, Ukraine, Wednesday, Nov. 20, 2024. (AP Photo/Efrem Lukatsky)

In this photo provided by the Ukraine's 65th Mechanised Brigade press service on Nov. 19, 2024, Ukrainian soldiers attend a training at a polygon in Zaporizhzhia region, Ukraine. (Andriy Andriyenko/Ukraine's 65th Mechanised Brigade via AP)

Ukraine's President Volodymyr Zelenskyy, second left, awards honor medals to soldiers during his joint visit with Denmark's Prime Minister Mette Frederiksen, second right, to a military hospital in Kyiv, Ukraine, Tuesday, Nov. 19, 2024. (Mads Claus Rasmussen/Ritzau Scanpix via AP)

Schoolgirls in national suits perform during opening ceremony for a St. Nicholas Residence and Workshop of Good Deeds in a basement bomb shelter of a military lyceum on World Children's Day in Kyiv, Ukraine, Wednesday, Nov. 20, 2024. (AP Photo/Efrem Lukatsky)

FILE - A view of the U.S. Embassy in Kyiv, Ukraine, Saturday, Feb. 12, 2022. (AP Photo/Andrew Kravchenko, File)