Russia is escalating a "grey zone" drone campaign against NATO, using both direct intrusions and electronic warfare to steer Ukrainian drones into Allied airspace, according to recent reports. This has exposed significant gaps in NATO's air defense capabilities and decision-making processes. Lithuania, for example, reported an increase from three to 36 Russian spoofing transmitters by early 2025, with their range extending 450 kilometers (280 miles).
Two distinct mechanisms are at play: Mechanism A involves direct Russian drone or munition launches into NATO territory, such as the May 29, 2026 incident where a Russian-origin Geran-2 drone struck an apartment block in Galați, Romania, injuring two civilians. Mechanism B involves Russian electronic warfare, primarily emanating from Kaliningrad, jamming or spoofing satellite navigation of Ukrainian long-range strike drones, causing them to drift into NATO member states like the Baltics and Finland. A Romanian NATO fighter shot down one such Ukrainian drone over Estonia on May 19, 2026.
NATO members have experienced a sharp increase in airspace violations, with 18 confirmed Russian violations in 2025 alone, a 200% jump from the previous year. This suggests a deliberate campaign rather than accidental spillover. While NATO has condemned these incidents and scrambled jets, it has not invoked Article 5, which treats an attack on one as an attack on all. Romania's foreign minister suggested the Galați strike could justify emergency consultations under Article 4. The financial disparity is also a concern; cheap drones (estimated at $20,000-$50,000) force expensive responses, such as interceptor missiles costing $1 million or more.
Lithuanian Defense Minister Robertas Kaunas emphasized the need for NATO to adapt, stating the high possibility of repeated scenarios. Ukraine is developing drones that can operate without satellite guidance, incorporating controlled-reception-pattern antennas, cameras, and inertial backups. Kyiv and Vilnius have also agreed to collaborate on drone development and station Ukrainian specialists in Lithuania. The incidents highlight NATO's vulnerability to inexpensive threats and the challenge of attributing responsibility, especially when electronic warfare is involved, making it difficult to prove Russian intent to violate NATO airspace.