The New York Times reports:

The strategy behind Ukraine’s rapid military gains in recent days began to take shape months ago during a series of intense conversations between Ukrainian and U.S. officials about the way forward in the war against Russia, according to American officials.

The counteroffensive — revised this summer from its original form after urgent discussions between senior U.S. and Ukrainian officials — has succeeded beyond most predictions. Ukrainian forces have devastated Russian command and control, and appear poised to capitalize on their advances in the northeast of the country and in another campaign in the south.

The work began soon after President Volodymyr Zelensky of Ukraine told his generals he wanted to make a dramatic move to demonstrate that his country could push back on the Russian invasion. Under his orders, the Ukrainian military devised a plan to launch a broad assault across the south to reclaim Kherson and cut off Mariupol from the Russian force in the east.

The Ukrainian generals and American officials believed that such a large-scale attack would incur immense casualties and fail to quickly retake large amounts of territory. The Ukrainians were already suffering hundreds of casualties a day in what had become a grinding conflict. The Russian forces were experiencing similar losses but were still inching forward, laying waste to Ukrainian towns in the eastern region of Donbas.

Long reluctant to share details of their plans, the Ukrainian commanders started opening up more to American and British intelligence officials and seeking advice. [Continue reading…]