Just keeping track: First Poland and Romania,[1] and now Estonia.[2] The consensus seems to be that Russia is seeking to divert North Atlantic Treaty Organization resources away from Ukraine toward self-defense,[3] but this seems like a bit of a stretch to me: NATO exists to repel a full-on Russian invasion. It should be able to handle this.
https://www.disunitedstates.org/p/breaking-russian-drones-infringe
[1] Anne Appelbaum, “Russia Expands the Air War,” Open Letters, September 15, 2025, https://anneapplebaum.substack.com/p/russia-expands-the-air-war; Ian Casey and Alex Boyd, “Romania becomes second Nato country to report Russian drone in its airspace,” British Broadcasting Corporation, September 14, 2025, https://www.bbc.com/news/articles/c80g7g5rmlno; Guardian, “Poland shoots down drones over its territory amid Russian attack on Ukraine, prime minister says,” September 9, 2025, https://www.theguardian.com/world/2025/sep/10/poland-shoots-down-drones-over-its-territory-amid-russian-attack-on-ukraine-says-military; Julia Ioffe, “No Man’s Poland,” Puck, September 11, 2025, https://puck.news/how-putins-drone-incursion-on-poland-tested-natos-resolve/;
Brad Lendon et al., “NATO shoots down Russian drones in Polish airspace, accusing Moscow of being ‘absolutely reckless,’” Cable News Network, September 11, 2025, https://edition.cnn.com/2025/09/09/europe/poland-scramble-jets-russian-drone-reports-intl-hnk-ml; MAKS 25, Mastodon, September 9, 2025, https://mastodon.social/@MAKS23; Shaun Walker, “Russian drone incursion into Poland ‘was Kremlin test on Nato,’” Guardian, September 14, 2025, https://www.theguardian.com/world/2025/sep/14/russian-drone-incursion-poland-nato-ukraine-europe
[2] Geir Moulson and Andrew Wilks, “Estonia says 3 Russian fighter jets entered its airspace in ‘brazen’ incursion,” Associated Press, September 19, 2025, https://apnews.com/article/british-intelligence-mi6-russia-war-443df0c37ff2254fcc33d5425e3beaa6
[3] Shaun Walker, “Russian drone incursion into Poland ‘was Kremlin test on Nato,’” Guardian, September 14, 2025, https://www.theguardian.com/world/2025/sep/14/russian-drone-incursion-poland-nato-ukraine-europe