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

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 ...

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

Trump has upended decades of foreign policy, prompting some NATO allies to rethink tying their defense to U.S.-made systems.

Republican leaders are concerned about rumored plans to scale back American military involvement in Europe and Japan.

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

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.

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

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