Editor’s Note: This is an analysis by Andriy Zagorodnyuk, ex-Defense Minister and the chairman of the Center for Defense Strategies, a Kyiv-based think tank. It was originally published in Ukrainian by Ukrainska Pravda on Sept. 14. The Kyiv Independent has translated it and is republishing it with permission. The remarkably successful actions of Ukraine’s Armed Forces over the past week, including the defeat of Russian military units in Kharkiv Oblast, have great strategic and, without exaggera

Editor’s Note: This op-ed was published by Atlantic Council. It is republished here with permission. During the first three months of the Russo-Ukrainian war, Ukraine’s ability to defeat Russia on the battlefield has astonished the watching world and led to mounting speculation that Vladimir Putin’s invasion will end in defeat. At the same time, the situation at sea remains significantly more favorable for the Kremlin and demands urgent international attention. Russia’s blockade of Ukraine’s B