"We think it lays out a strategy and a plan that can work," she said. Miller told a news briefing Blinken had learned about the plan during a visit to Kyiv and shared the ambassador's assessment. He said Ukrainian President Volodymyr Zelenskiy had said he looked forward to presenting the plan in detail to President Joe Biden.

The Russian military has suffered significant losses in the Ukraine war, with casualties exceeding 630,000 troops. Despite an impressive force generation capability over 940 days of fighting, Russia is struggling to replenish its ranks.