US Marines are working alongside Finnish forces in the Baltic Sea as NATO steps up surveillance amid concerns over Russian activity. Sky News goes inside the mission, where American troops are using surveillance drones to monitor the waters and deter potential threats. Download and subscribe to Defence Insider ➡️ https://qrcode.skynews.com/DefenceInsiderYouTube2 Paid subscription required for full access. UK only. 18+. T&Cs apply. 3 month free trial for new customers. Cancel before trial ends to avoid charges. After free trial, subscription auto-renews at standard charges (currently £14.99 per month / £134.99 per year). Cancel anytime effective from next billing date. Read more: https://news.sky.com/ #skynews #finland #russia #threats SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on X: 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 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 Why not listen to one of our podcasts? This is Why, available for free here: https://podfollow.com/thisiswhy or Ed Conway's Stuff Matters, available here: https://podfollow.com/stuff-matters To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales