While the alliance is built on the principle of collective defense under Article 5 ... creates challenges in formulating a unified NATO strategy against Russian aggression. Turkey, a crucial ...

The bond that was the irreplaceable glue for the NATO alliance is not only being eroded, but it also is being removed.

So, is NATO’s famous Article 5 collective-defense commitment dead and buried? The traditional reading of it, a cornerstone of U.S. statecraft since World War II, seems to be. Trump is taking a ...

The NATO Alliance owes its strength and longevity to the successful incorporation of all three elements into a single workable whole. Originally focused on collective defense against the threat ...

but concerns are continuing to deepen among European members of NATO over how the Republican could spell an end to the long-standing Western commitment to collective defense. More Photo ...

The purpose of NATO is the collective defense of its members ... and how the U.S. fights is a worthwhile debate — but strategy drives operations, not the other way around.

But Ukraine's supporters in Europe have looked with concern at their own air defense supplies. NATO Secretary-General Mark Rutte and Ukraine's President Volodymyr Zelenskyy, right, during their ...

STOCKHOLM, April 14 (Reuters) - NATO members are discussing setting a spending target for civil defence and support for Ukraine on top of core military budget goals, Swedish Prime Minister Ulf ...