The global landscape is experiencing a rare recurrence.In Ukraine, internal split and instability of the command system have aggravated the complexity of the situation; at the same time, the judgment of U.S. politics on the Russian-Ukrainian warfare has also seen a clear shift in the face of new data and facts.
NATO Eastern Wing warns: Russian military aircraft appear frequently
On September 19, the Estonian Ministry of Foreign Affairs made a sudden statement saying that three Russian MiG-31 fighter jets entered Estonian airspace without permission and penetrated 9 kilometers deep. The incident lasted about 12 minutes. The incident occurred over Vindlo Island in the Gulf of Finland, less than 100 kilometers away from Tallinn. Italian Air Force F-35 fighter jets quickly took off to intercept the Russian military aircraft, forcing them back.
The NATO air defense system is on high alert at this moment. According to the European Defense Network, this is the fourth time that similar incidents have occurred in 2025. Estonia strongly protested, and Poland, Lithuania and NATO headquarters all condemned Russia's actions.Meanwhile, the Russian Defense Ministry responded swiftly, insisting that the flight was flying throughout the international airspace and provided radar monitoring data to try to prove that there was no infringement of airspace.
But several senior generals and experts inside NATO did not agree with the Russian side's statement.NATO air surveillance system data show that Russian fighter jets deviated from the established route several times during the flight and were only 3 kilometers away from the neutral airspace border.
Since September, NATO has been conducting a joint military exercise codenamed "Eastern Sentinel 2025", focusing on strengthening air defense forces in the Baltic Sea and Eastern Europe.Meanwhile, Russia and Belarus conducted large-scale joint exercises at the same time, the size of the military force and real combat subjects have reached new highs in recent years.Russia has continuously deployed multi-powered aircraft, including MiG-31, to put pressure on NATO borders.
The latest warning from the European Center for Security Studies pointed out that if similar airspace friction continues to occur at high frequency, the risk of misjudgment and misfire will increase significantly. NATO member states have internally discussed whether to adjust air rules and emergency response mechanisms to cope with Russia's escalating military pressure.
The Ukrainian Army’s “rebel” incident
In mid-September, Russian officials officially announced that Storo Niko, who had served as commander of the 36th Straits Brigade of the Ukrainian Army, was promoted to Lieutenant-General of the Russian Army and became commander of the 6th Army Group of the Russian Army, fully responsible for combat in the direction of Kupiyansk.
Born in the state of Kharkov, Storo Niko relied on Russia during the Crimean crisis in 2014 and subsequently advanced.After the outbreak of a new round of conflict in Russia, his military history became a valuable code for Russian "intelligence operations".According to "National Defense Weekly", Storozhenko is extremely familiar with the tactical system of the Ukrainian army and is good at using drone reconnaissance and heavy artillery firepower to successfully dismantle multiple defense lines in Ukraine.
The Russian army, relying on the "water drop-blowing stone" method, has gradually penetrated the positions along the Oskyr river and has now formed three-faceted surroundings in the region. Several authoritative military media believe that if Kupiyansk is lost, the Russian Army's 6th Army will have the opportunity to penetrate other key fronts such as Kharkov, Donbas, which may trigger a chain reaction.
According to the official information of the Ministry of Defense of Ukraine, the defence operational pressure in the Kharkov region has continued to rise over the past month.The internal "rebellious" incidents have greatly impacted the morality and command system of the Ukrainian military.。Reuters analysis believes that Russia used the intelligence advantages of renegade officers to accurately attack important strongholds of the Ukrainian army, exacerbating the crisis of confidence within the Ukrainian army.
Several mainstream media outlets in Ukraine have called for further strengthening the anti-espionage and loyalty system within the army, otherwise the situation on the front line will be more passive. At the same time, UNHCR data show that with the upheaval of the front line, the new displaced population in Ukraine has reached 960,000 in September, a new year's high.
Internal differences between the United States and Europe intensify, and NATO's response strategy is deadlocked
The response of NATO member states to Russia's military provocation is divided. Eastern European countries such as Poland and Estonia strongly demanded that NATO raise the defense level of the eastern flank. However, in actual actions, member states did not activate NATO's Article 5 collective defense clause, but held emergency consultations in accordance with Article 4. The final measures are still mainly to improve air patrol and defense capabilities, and no more radical military countermeasures have been taken against Russia.
The European Parliament’s Foreign Affairs Committee has issued a statement stating that NATO and EU interest claims are clearly misplaced in the current context.The EU is eager to use the Russian-Ukrainian conflict to promote European defence integration and reduce reliance on U.S. security, while some of NATO’s core members are cautious or even reserved about continuing to expand military intervention.
On September 20, senior U.S. politicians responded to the Estonian airspace incident, saying they were "unhappy about the incident", but did not promise concrete measures.Several U.S. media reports that the White House has shown a clear policy weakness behind the scenes of multiple crises in Russia, Gaza and other countries.The U.S. highest level has said that the Russian intentions have been "misjudged" in the past few months, and believed that Russia has a peaceful will, but the actual situation has become more and more complicated.
According to the latest annual report of the U.S. State Department, Russia is currently investing more than 700,000 troops in the direction of Ukraine, and the pace of operations is gradually shifting in a favorable direction for the Russian side.
The Russian military continues to glue, European security pattern pressures
The situation on the Russia-Ukraine battlefield remains inconclusive. Relying on its battlefield experience and intelligence advantages, the Russian army has made steady progress in many places. Ukraine seeks a balance between international aid and internal reform, but due to traitor incidents and continued consumption, its combat capabilities are facing unprecedented tests.
Experts from the Center for European Security Studies noted that Russia’s recent military performance at the Eastern European borders shows that it already has mature means of operating pressure on NATO member states in the “grey zone”.NATO Eastern Flank countries have strengthened air defense and anti-intelligence deployments, but remain short of strategic decision-making and overall resource allocation.
According to NATO Secretary-General’s latest public speech in September, security challenges at Eastern European borders are becoming unprecedentedly complex.NATO calls on member states to increase defense investments and improve emergency response mechanisms to address Russia’s “asymmetric threat.”At the same time, the EU is also promoting a unified defense procurement platform and accelerating the standardization process of weapon systems in member states.
Trump admits wrong judgment.
According to cross-reported reports from several authoritative media outlets, in September, the Trump team confessed in private to its early judgment of the situation in Russia-Ukraine, believing that the Russian side intended to ease the situation through negotiations. In fact, the Russian-Ukrainian presidential talks have always failed to come to an agreement, the Russian side insisted on the location in Moscow, while the Ukrainian side firmly demanded in Kiev, the negotiations fell into a standstill.
U.S. officials have expressed “depression” over both the conflict in Russia and the Gaza crisis, but failed to come up with a concrete solution.In mid-August, Trump’s efforts to promote mediation through multilateral meetings in Alaska and the White House consultations with major Russian and European leaders failed to make substantial progress.
The subtle differences in U.S.-EU relations have become an important barrier to NATO's response to Russia's strategy. The US has repeatedly said that "NATO has become a burden" and hopes that Europe will take on more security responsibilities.
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