Add Yahoo as a preferred source to see more of our stories on Google. Nato Secretary General Mark Rutte speaks during a press conference at Nato headquarters. Anna Ross/dpa The Western arms industry ...

NATO Secretary General Mark Rutte, second left, introduces United States Undersecretary of Defense for Policy Elbridge Colby, center, to military staff during a meeting of the North Atlantic Council ...

Trump has previously criticised NATO, calling it "obsolete" in an interview earlier this year. NATO will host a summit of leaders including US President Donald Trump in May at its new Brussels ...

Banners displaying the NATO logo are placed at the entrance of new NATO headquarters during the move to the new building, in Brussels, Belgium April 19, 2018. REUTERS/Yves Herman BERLIN, Feb 3 ...

European allies at NATO are brushing aside concerns that the United States has stepped back from its leadership role at the alliance. U.S.