Britain's Prime Minister Keir Starmer shakes hands with NATO Secretary General Mark Rutte after a meeting at 10 Downing Street in London, Thursday, Oct. 10, 2024.(AP Photo/Kin Cheung)

NATO Secretary General Mark Rutte speaks to the media after a meeting with Britain's Prime Minister Keir Starmer and Ukrainian President Volodymyr Zelenskyy at 10 Downing Street in London, Thursday, Oct. 10, 2024.(AP Photo/Kin Cheung)

UK Prime Minister Keir Starmer, right, and NATO Secretary General Mark Rutte hold bilateral talks in Downing Street, in London, Thursday, Oct. 10, 2024. (Dan Kitwood/Pool photo via AP)