Questions are mounting in Canada and in Europe over whether big-ticket purchases of high-end U.S. weaponry, such as the F-35 ...

It’s a new day in Europe. Gone are the halcyon years of unshakeable American commitment to Europe’s defense against Russia.

The move is being discussed as part of a possible restructuring of combatant commands that would help the Defense Department ...

The F-35 was meant as a one-size-fits-all fighter that could be used across NATO. But strained U.S.-Europe relations are ...

BRUSSELS—The EU on Wednesday will look to fire the starting pistol on plans to help member states bolster their defences, as ...

"Those who buy the F-35, we must offer them the Rafale," French President Emmanuel Macron said over the weekend.

Some rearmament is desirable. But figuring out how much to spend—and what to make—is critical to avoid mistakes, writes ...

For decades, Europe's security architecture has heavily relied on the US-led NATO framework. Amid the current instability, Europe's contemplation of its own long-term security has deepened further.

Portugal plans to spend $6 billion on F35s to replace older jets, but its defense minister says Trump's approach to NATO ...