Satellite images capture the broken aftermath of the Ukrainian air force strikes on key Russian bridges to back the Kursk invasion

Ukrainian forces continue to advance in Kursk nearly two weeks into their invasion of the region, according to an update on Saturday from Kyiv’s Commander-in-Chief Oleksandr Syrskyi. The bold attack surprised Moscow and Ukraine’s international partners, including the US, which was not made aware of plans for the operation ahead of time.

The Kremlin is still scrambling to respond to the assault, which represents the biggest attack on Russian soil by a foreign enemy since World War II. Ukrainian forces have, by their own estimates, captured more than 1,150 square kilometers (more than 440 square miles) of territory and seized more than 80 settlements.

On Sunday, Ukrainian President Volodymyr Zelenskyy said a goal of the operation is to create a “buffer zone” within Russian territory.

“Everything that inflicts losses on the Russian army, Russian state, their military-industrial complex, and their economy helps prevent the war from expanding and brings us closer to a just end to this aggression — a just peace for Ukraine,” he said in a nightly address to the nation.