The advanced U.S. fighter aircraft will mark a significant upgrade to Ukraine’s air force, but their impact on the war with Russia will hinge on several factors.

Japanese Prime Minister Kishida Fumio’s Washington summit on April 11 comes at a time of deepening security cooperation as well as some challenges to economic ties.

The death toll from the Israel-Hamas war continues to mount, with no lasting settlement in sight. Meanwhile, concerns about humanitarian catastrophe and regional violence are spreading.

South Korea hopes to solidify its image as modern and efficient as host of the winter games, but its success relies heavily on cooperation from the North.