Based on facts, either observed and verified firsthand by the reporter, or reported and verified from knowledgeable sources. Newsweek AI is in beta. Translations may contain inaccuracies—please refer to the original content. Doubts around advanced American F-35 fighter jets, spurred by President Donald Trump's biting criticism of NATO, is generating more interest in nascent, European-led sixth-generation fighter jet programs as part of a bid to distance the continent from the whims of Washington. Many European members of NATO, and the U.S.' northern neighbor, Canada, have watched on with some horror at the foreign policy stance adopted by senior Trump officials,...