多国宣布：出动战机！

Core Viewpoint - The article discusses the recent escalation of military tensions in Eastern Europe, particularly focusing on Poland's response to drone incursions believed to be from Russia, and the subsequent military mobilizations by NATO countries to bolster defenses in the region [2][4][10]. Summary by Sections Drone Incursion and Military Response - On the night of September 9, multiple drones entered Polish airspace, prompting the Polish military to shoot down some of them. The Polish government attributed the drones to Russia, while Russia denied this claim [2][4]. - Following the drone incident, several NATO countries, including Denmark, France, and Germany, announced the deployment of military aircraft to strengthen NATO's eastern flank. Denmark is sending 2 F-16 fighter jets and a naval vessel, while France is deploying 3 Rafale fighter jets and Germany is sending 4 Eurofighter jets [4][10]. Statements from Officials - U.S. Secretary of State Rubio labeled the drone incident as "unacceptable and dangerous," indicating that the drones were indeed launched intentionally, but it remains unclear if they were specifically targeting Poland [6][7]. - Polish Prime Minister Tusk refuted claims that the drone incident could be a mistake, asserting that it was a deliberate act [9][10]. Military Exercises and Preparations - Poland is conducting its largest military exercise, "Steel Defender-25," involving the deployment of approximately 40,000 troops along its border with Belarus, in response to the perceived threat from the "West-2025" joint military exercises conducted by Russia and Belarus [17][18]. - On September 13, Poland initiated a "preventive" air operation due to the threat of drone attacks from neighboring Ukraine, which lasted for about two hours [14][16]. Regional Implications - Romania also reported a drone incursion, leading to the deployment of fighter jets to intercept the unidentified drone. This incident is viewed as part of a broader pattern of Russian military aggression in the region [20].