China and its increasingly sophisticated and far-flung military sit atop U.S. Defense Secretary Mark Esper's list of international security worries, but in Europe a bigger concern is closer to home: Russia.
President Trump’s statements about NATO member nations not fulfilling their defense obligation and expecting the U.S. to shoulder most of the financial burden has placed the alliance’s unity into question.
NATO leaders will gather in London on Tuesday as the world’s biggest military alliance, marking its 70th birthday, battles with one of the most confounding of adversaries: Itself.
Turkey's invasion of northern Syria is close to sparking a crisis at the world's biggest military alliance. But NATO has seen tense times before.
NATO Secretary General Jens Stoltenberg said Thursday that alliance members increased defense spending in 2018 for the fourth year in a row, highlighting a slow turnaround amid fury from the White House that allies are overly reliant on U.S. military power.
NATO's biggest military maneuvers since the Cold War kicked off in a hypothetical scenario that involves restoring the Norway's sovereignty after an attack by a "fictitious aggressor."
Nine hours is a long time in the world of nuclear diplomacy. That is how long it took for Ambassador Kay Bailey Hutchison to tweet a clarification about her ambiguous remarks, made Tuesday, that appeared to threaten Russia with a preemptive strike if it deployed a new missile banned under a landmark arms-control treaty.
The NATO countries of Europe are seriously contemplating readjusting their dependence on the U.S. as a strategic counterweight against a resurgent Russia.
For Defense Secretary Jim Mattis, this week's NATO summit presents a central test: how to preserve a U.S.-European alliance that he sees as crucial to America's security while not crossing a boss who doesn't share that view.
For now, Turkey remains in NATO and will maintain its strategic partnership with the U.S., despite overall poor relations. But, for how long?