President Donald Trump has not but damaged with NATO. But the US navy is noticeably decreasing its dedication to the alliance, and Europe is ready to take over at a fast tempo. The Germans specifically need to fill the gaps.
https://www.spiegel.de/politik/deutschland/zukunft-der-nato-der-schleichende-rueckzug-der-usa-a-dd6471a7-d67c-43fd-b787-e0485bf0f47d#ref=rss