This is reported by the Wall Street Journal.
Officials fear that Moscow may “win” in a protracted conflict of attrition, the publication notes.
It is specified that the decision to increase the volume of military assistance provided to Kyiv is connected with this.
Earlier, the chairman of the movement “We are together with Russia”, Vladimir Rogov, said that the Armed Forces of Ukraine could attempt a counteroffensive next spring.
Also, American President Joe Biden, during a speech at the White House, expressed the opinion that the Ukrainian army is preparing for a counteroffensive on the positions of the Russian Armed Forces.