NBC News joined a NATO flotilla as it sailed the icy sea hunting Russian saboteurs accused of targeting undersea cables.

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

Growing tensions with NATO over the U.S. stance on Ukraine and President Trump's escalating trade war now jeopardize a ...

Europe's NATO members may publicly express confidence in the continent's relationship with the U.S., but many European ...

NATO Secretary-General Mark Rutte is praising President Donald Trump for motivating fellow transatlantic alliance members to ...

U.S. President Donald Trump and NATO Secretary-General Mark Rutte met Thursday to discuss current events affecting the United ...

U.S. President Donald Trump cast doubt on Thursday on his willingness to defend Washington's NATO allies, saying he would not ...

Trump has repeatedly expressed his contention that European countries have been taking advantage of the U.S. by not spending more on defense.

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

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

President Trump suggested Thursday that members of the U.S.-led NATO transatlantic military alliance would not come to the aid of the U.S., should America come under attack. NATO members are bound to ...

WASHINGTON − The new head of NATO and President Donald Trump agree on one thing: European member states should be paying more for their defense. Seated next to Trump in the Oval Office on ...