On the Pentagon on Monday, Protection Secretary Lloyd J. Austin III convened high army and civilian officers, together with Gen. Mark A. Milley, the chairman of the Joint Chiefs of Employees, and Gen. Tod D. Wolters, the pinnacle of the army’s European Command, to debate the Russian troop buildup. Officers stated that there was an effort underway to ship further defensive weapons, together with anti-tank Javelins, to Ukraine, however that they might be pre-positioned outdoors the nation to keep away from giving Mr. Putin a pretext for army motion.

Afterward Monday, Basic Milley met just about together with his NATO army counterparts to debate the disaster. Mr. Biden was additionally calling Mr. Zelensky forward of the assembly, and he spoke with President Emmanuel Macron of France, Chancellor Angela Merkel of Germany, Prime Minister Mario Draghi of Italy and Prime Minister Boris Johnson of Britain.

Secretary of State Antony J. Blinken spoke with Mr. Zelensky on Monday and “reiterated the US’ unwavering assist for Ukraine’s sovereignty, independence and territorial integrity within the face of Russian aggression,” a State Division spokesman, Ned Worth, stated in an announcement.

John F. Kirby, the chief Pentagon spokesman, declined to say whether or not the US nonetheless had a small variety of army advisers in Ukraine or whether or not the administration had determined to ship further army help to Ukraine.

However Mr. Kirby stated the administration was targeted on resolving the disaster by means of diplomatic measures.

“We don’t imagine battle is inevitable right here,” he advised reporters.

However different officers stated they have been already seeing heightened cyberaction, and a few officers recalled that Russia reduce off the electrical energy to 2 components of Ukraine in previous years — and most probably had the potential for additional disruptions now.

Mr. Biden and Mr. Blinken, who traveled to a NATO assembly final week, have been working to persuade European nations, beginning with Germany, {that a} clear warning to Mr. Putin is required. The trouble is to current Mr. Putin with a united entrance, and persuade him that the sanctions he would endure can be extensively enforced.