The recent extraordinary European Union summit marked a significant shift in defense strategy, reflecting a decisive move towards European autonomy in security matters. For the first time in years, the summit’s concluding statement omitted any mention of the United States, signaling a clear acknowledgment of President Trump’s message that the U.S. would no longer bear the primary burden of European defense costs. A critical outcome of the summit was the approval of the ReArm EU initiative, a comprehensive $800 billion rearmament plan aimed at enhancing European military capabilities over a projected increase in defense spending by 1.5%. This initiative encompasses a wide array of priorities, including air defense systems, advanced artillery, and cyber capabilities, all tailored to respond to perceived threats primarily from Russia and Belarus. Moreover, the summit led to discussions on the establishment of a “coalition of willing” nations to circumvent dissenting voices like Hungary’s, which opposed military aid to Ukraine, demonstrating a tactical shift towards solidarity in military support despite internal disagreements. The implications of these developments suggest a recalibrated European defense posture that could redefine transatlantic security dynamics, especially in light of waning U.S. influence. As Europe seeks to assert its sovereignty and responsively adapt to geopolitical pressures, this summit encapsulates a critical juncture in its defense policy evolution.