Canada and Portugal have expressed willingness to explore alternatives to the F-35 stealth fighter as President Donald Trump ...

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

President Donald Trump has long advocated for NATO allies to ramp up defense spending to between 2% to 5% gross domestic ...

Europe is staring down the barrel of a stark new reality where the United States being the backbone of NATO – the alliance ...

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

The Swedish fighters escorted the B-52s to Vidsel Test Range, where the bombers released GBU-30 joint direct attack munitions ...

Beginning with just 12 member-states — including Canada, France, Great Britain, and the United States — NATO has expanded to include 32 members, and is now considered the largest peace-time ...

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

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

The North Atlantic Treaty Organization, known as NATO, is a mutual-defense alliance that was established after World War II, in 1949, by the United States, Canada and 10 European countries.