Home Ukrainian servicemen operate an armoured military vehicle in the Sumy region, near the border with Russia, on August 13, 2024, amid the Russian invasion of Ukraine. Ukraine’s shock border offensive into Russia’s Kursk region has been one of Ukraine’s speediest operations since Moscow invaded in February 2022. Analysts say it is the most significant ground operation by a foreign army inside Russia since World War II. For Ukraine, it has been a morale boost at an otherwise perilous moment in the war.ROMAN PILIPEY/AFP via Getty Images Ukrainian servicemen operate an armoured military vehicle in the Sumy region, near the border with Russia, on August 13, 2024, amid the Russian invasion of Ukraine. Ukraine's shock border offensive into Russia's Kursk region has been one of Ukraine's speediest operations since Moscow invaded in February 2022. Analysts say it is the most significant ground operation by a foreign army inside Russia since World War II. For Ukraine, it has been a morale boost at an otherwise perilous moment in the war.ROMAN PILIPEY/AFP via Getty Images