Firstly, there is a limited supply of ATACMS that Ukraine can get its hands on. So even Kyiv being able to hit deep inside Russia – and the longer range of ATACMS is 100km or 62 miles – is not going to yield an overnight change in the battlefield.

Russia is open to negotiations on an end to the Ukraine war if initiated by U.S. President-elect Donald Trump, but any talks need to be based on the realities of Russian advances, Moscow's ambassador to the U.