Trump, famously critical of the alliance the U.S. had led for decades, has already cast doubt across Europe on how reliable ...

European countries are not tired of looking for ways to send their troops to Ukraine under the guise of peacekeepers, coming up with new "cunning" plans for this.

President Trump is on a collision course with Republican defense hawks over the question of whether the United States should ...

The NATO allies pulling out of a treaty banning the use of landmines said it sends the message they'll use whatever they need ...

Asked about NATO Article 5 commitment, Trump says U.S. "not going to defend" allies that fail to meet his spending requirements.

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

Confidence in America's role in safeguarding its allies in Europe is wavering, while Washington has launched into a trade war ...

Officials told the network that under the changed policy ... Trump has argued that NATO countries should spend 5 percent of GDP on defense, which is more than the U.S. currently spends.

The president has discussed possibly favoring members of the alliance that spend a set percentage of their GDP on defense, sources told NBC News.

The countries on NATO’s Eastern flank ... itself in a nuclear war to defend them is a difficult case to make under the best of circumstances,” Daalder said. “It’s a nearly impossible ...

Vaidotas Urbelis, defense policy director at Lithuania’s Ministry of Defense, warned that Russia only understands negotiating ...

Ukraine has used landmines, too, and the US, under former President Joe Biden ... Throughout the Ukraine war, NATO countries closest to Russia have bolstered defense investments.