President Biden told U.S. troops upon his arrival in England on Wednesday that he is meeting with Russian President Vladimir Putin to “let him know what I want him to know.” Biden’s first overseas trip of his presidency will include multiple meetings with allies and a highly anticipated summit with Putin.

Biden left Washington with several of his leading legislative priorities hanging in the balance, including an infrastructure package. On Tuesday, Biden ended negotiations with a group of Republicans after the two sides failed to strike a deal after weeks of talks.

Here’s what to know: