In unusually direct criticism, former NATO insiders say the alliance is being shaped to reflect Donald Trump's priorities.

W ASHINGTON—Two top Senate Republicans laid out a plan Wednesday to allow allies to finance donations of U.S. weapons and ...

Part of the agreement involves a commitment to buy American oil and gas. Over the course of the Russia-Ukraine war, now in ...

The European Commission says 18 EU countries have so far applied for billions of euros from a new defense fund aimed at ...

General Christopher Donahue, commander of U.S. Army Europe and Africa, said allies could seize Kaliningrad "in a timeframe ...

As the front lines froze, and air defenses got better, Russia and Ukraine pivoted away from close bombing runs to standoff ...

While there are currently no plans for Austria to seek membership in NATO, the foundation for joining the alliance may already be in place.

Increased spending on defense and a new Russian conscription law are signs of the Kremlin's increasingly aggressive posture ...

Business Insider got access to a NATO AWACS flight for an eight-hour surveillance mission over Eastern Europe.

Business Insider flew aboard the decades-old aircraft during a recent surveillance mission. NATO plans to replace the E-3 in ...

Leadership of the 21st Theater Sustainment Command, a Kaiserslautern-based U.S. Army command that serves as the linchpin for ...

Spain is not the only sceptic among NATO’s ranks. Slovakia, while less vocal, has also expressed ambiguity towards the 5% ...