In a significant escalation of the Russia-Ukraine conflict, Ukrainian forces launched a bold incursion into Russia’s Kursk region in August, marking one of the most daring operations since the war began. Unlike smaller paramilitary raids, this operation demonstrated strategic intent, forcing Russian troops to retreat and leaving many conscripts as prisoners of war in Ukrainian hands. The incursion has raised questions about Russia’s ability to defend its own borders while also waging an aggressive campaign inside Ukraine. As the conflict rages on, the long-term consequences of this incursion remain unclear, but it has already left a deep mark on Moscow’s reputation. The Kremlin’s immediate response has been to downplay the attack, with President Vladimir Putin choosing to focus on his military operations in the Donbas region, rather than divert resources to the Kursk front. However, Russia’s apparent lack of manpower to counter Kyiv’s forces in Kursk highlights the strain on its military, stretched thin across multiple fronts. Putin’s reluctance to deploy more reservists or conscripts, likely due to fears of domestic unrest, has limited Moscow’s ability to push back the Ukrainian advance. Meanwhile, regional governments in Kursk are scrambling to evacuate civilians while attempting to maintain a semblance of normalcy in the affected areas. This incursion also has broader geopolitical implications. While Ukrainian President Volodymyr Zelenskyy has framed the operation as a necessary step to create a buffer zone and hinder Russian offensives, the Kremlin is grappling with how to recover from this blow. Despite the potential for increased anti-Ukrainian and anti-Western sentiments within Russia, the Kursk incursion exposes the vulnerability of Russian defenses and raises new questions about how long Moscow can sustain its military campaign without significant reinforcements. The situation remains fluid, but this episode is certain to shape the next phase of the conflict.