Air Force Gen. Alexus G. Grynkewich, commander of the United States European Command and Supreme Allied Commander Europe, speaks at the Warsaw Security Forum in Warsaw, Poland, Monday, Oct. 12, 2026. (AP Photo/Attila Husejnow)

Air Force Gen. Alexus G. Grynkewich, commander of the United States European Command and Supreme Allied Commander Europe, speaks at the Warsaw Security Forum in Warsaw, Poland, Monday, Oct. 12, 2026. (AP Photo/Attila Husejnow)

An injured man collects his personal belongings in front of his house destroyed in a Russian strike on Kharkiv, Ukraine, Sunday, Oct. 11, 2026. (AP Photo/Andrii Marienko)

Cars burn after a Russian strike on a residential neighbourhood in Kharkiv, Ukraine, Sunday, Oct. 11, 2026. (AP Photo/Andrii Marienko)

A rescue worker puts out a fire at residential houses destroyed in a Russian strike on Kharkiv, Ukraine, Sunday, Oct. 11, 2026. (AP Photo/Andrii Marienko)

People watch Ukrainian President Volodymyr Zelenskyy on a large screen as he speaks at the Warsaw Security Forum in Warsaw, Poland, Monday, Oct. 12, 2026. (AP Photo/Attila Husejnow)

An injured man collects his personal belongings in front of his house destroyed in a Russian strike on Kharkiv, Ukraine, Sunday, Oct. 11, 2026. (AP Photo/Andrii Marienko)

Schoolboys ride in the back of a police pickup truck after classes in Aden, Yemen, Sunday, Oct. 11, 2026. (AP Photo/Abdulnasser Alseddik)