But the Russian troops in Kursk were caught off guard by the surprise Ukrainian attack on Aug. 6—and couldn’t bring their significant firepower, including nearly 200 artillery pieces, to bear before the fast-moving Ukrainian mechanized troops were upon them.

A Russian military counterattack in the Kursk region turns disastrous as Russian tanks get stuck in their own defensive structures.

In an unexpected turn, Russian troops found themselves trapped by their own defenses in Kursk, enabling Ukrainian forces to destroy them with drone attacks.