Russian fiber optic drones targeted Ukrainian logistics routes across the state border in Kursk Oblast, making the Ukrainian presence in the salient untenable.

By late winter, when Russian assaults on the Kursk salient intensified, soldiers reported that fiber optic drones played a crucial role in making the Ukrainian presence in the salient untenable.

Ukrainian forces recently advanced in Kursk Oblast

Russian forces conducted offensive operations near Darino, Plekhovo, and Martynovka in Kursk Oblast

Russian forces have intensified their actions over the past two weeks and are trying to break through Ukrainian defense using so-called "meat assaults"

When the enemy attacks with large numbers of soldiers and vehicles, it makes defense easier