Disagreements arise as Spain rejects a 5% GDP target, while Trump criticizes low spenders like Canada. The summit will also address Ukraine's situation.

With U.S. pressure intensifying and fears of Russian aggression looming, the alliance is preparing to adopt a more ambitious ...

Continued support for Ukraine amid Russian aggression as well as higher defence spending by allies are key topics.

At a time of disagreement between the two countries over increased defense spending, Washington finds its key ally in Spain. An American Air Force Boeing E3 Sentry entered Spanish airspace via Coruña ...