Senior defence officials have written a joint letter arguing there is a moral case for rearming Europe against the threat posed by Russia. Air Chief Marshal Sir Richard Knighton, who is the head of Britain's armed forces, and his German counterpart, General Carsten Breuer, said Russia's threat posture had "shifted decisively westward". Sky News military analyst, Prof Michael Clarke, says the "peace dividend" that allowed European countries to allocate more funding to domestic issues over defence is over - and politicians must now make "era-defining choices". Live global update: https://news.sky.com/story/ukraine-war-latest-negotiators-leave-for-geneva-as-kim-jong-un-honours-north-korean-martyrs-who-died-for-russia-12541713 #nato #russiaukrainewar #putin #trump #russia #ukraine SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on Twitter: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok: https://www.tiktok.com/@skynews Sky News Daily podcast is available for free here: https://podfollow.com/skynewsdaily/ For more content go to http://news.sky.com and download our apps: Apple https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales