European countries have heightened their alertness regarding potential Russian interference, particularly as the conflict in Ukraine continues into its fifth year. On Thursday, Finland's air force reported that Swedish and Finnish fighter jets were scrambled to identify Russian aircraft over the Gulf of Finland. The air force indicated that the Quick Reaction Alert (QRA) jets identified a Russian detachment that included a Tu-134 transport aircraft, MiG-31 fighter jets, and Su-30 fighter jets in international airspace. This operation marked the first joint identification mission for the two nations' air forces.
Swedish Prime Minister Ulf Kristersson commented on the operation via social media platform X, stating that "the Baltic Sea has never been as vulnerable as it is now - but it has also never been better protected than it is right now." Tensions in the Baltic Sea region have escalated in recent years, leading to regular interceptions of Russian aircraft by Nordic jets. Following Russia's invasion of Ukraine in 2022, both Sweden and Finland abandoned their long-standing military non-alignment and joined NATO.
On the same day, the Danish Defence Intelligence Service (DDIS) released a statement indicating an increasing risk of Russian military action against NATO countries, although an outright invasion was deemed "highly unlikely". Thomas Ahrenkiel, head of the DDIS, noted that while the agency considers it unlikely that Russia would invade a NATO country, it cannot be entirely ruled out. The DDIS assessment suggested that Russia may engage in more hybrid attacks targeting the West, which have previously aimed at instilling fear and undermining public support for Ukraine. The agency anticipates an increase in such attacks, potentially including cyber operations that disrupt critical societal functions.
European nations remain vigilant against Russian interference, with concerns that Moscow may target Kyiv's Western supporters as the conflict in Ukraine persists. In November, NATO officials reported the deployment of a new US anti-drone system to the alliance's eastern flank. Following a violation of Polish airspace, NATO Secretary General Mark Rutte announced the establishment of the Eastern Sentry program to deter further Russian incursions. Some European officials have characterized these incidents as tests of NATO's response capabilities, raising concerns about the alliance's preparedness against potential threats from Russia. The Kremlin has dismissed claims of involvement in unidentified incursions in Europe as "unfounded."