Britain's Prime Minister Keir Starmer, right, and Ukraine's President Volodymyr Zelenskyy greet each other in Kyiv, Ukraine, Thursday July 16, 2026. (AP Photo/Efrem Lukatsky)

Ukrainians gather to denounce President Volodymyr Zelenskyy's decision to dismiss Defense Minister Mykhailo Fedorov after six months in the post, Kyiv, Ukraine, Thursday, July 16, 2026. Placard reads: Fedorov is a minister of innovation. (AP Photo/Danylo Antoniuk)

Ukrainians gather to denounce President Volodymyr Zelenskyy's decision to dismiss Defense Minister Mykhailo Fedorov after six months in the post, Lviv, Ukraine, Thursday, July 16, 2026. (AP Photo/Mykola Tys)

Ukranians gather to denounce President Volodymyr Zelenskyy's decision to dismiss Defense Minister Mykhailo Fedorov after six months in the post, Kyiv, Ukraine, Thursday, July 16, 2026. Placard reads: Bring back Fedorov. Do not destroy defense capability. (AP Photo/Danylo Antoniuk)

Outgoing Ukraine's Defense Minister Mykhailo Fedorov speaks during a briefing to journalists in Kyiv, Ukraine, Thursday, July 16, 2026. (AP Photo/Dan Bashakov)

President Donald Trump departs on Marine One after speaking at the United States Army War College in Carlisle, Pa., at the Pennsylvania Defense and Innovation Summit, Wednesday, July 15, 2026. (AP Photo/Julia Demaree Nikhinson)

President Donald Trump speaks in the East Room of the White House, Thursday, July 16, 2026, in Washington. (Saul Loeb/Pool via AP)

President Donald Trump gestures after speaking in the East Room of the White House, Thursday, July 16, 2026, in Washington. (Saul Loeb/Pool via AP)