The two-year-old war in Ukraine—which is far from deadlocked—could pivot dramatically in the coming months. U.S. decisions will play a decisive role.

Grueling work, financial stress, and shifting values are pushing too many of the navy’s nuclear personnel out of the service. Here’s how it can turn things around.

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.

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.