From the Document: "On February 24, 2022, the Russian Federation invaded Ukraine, with wide-ranging implications for U.S. national security and an array of global geopolitical and economic issues. This report compiles CRS [Congressional Research Service] products on various aspects of this conflict and will be updated regularly as new products are developed. It also includes some products published before the invasion that offer relevant background and context. To contact specific CRS experts, congressional staff may see the author information on each of the products below or consult CRS Report R47036, 'Russia's Invasion of Ukraine in 2022 and Related Policy Issues: CRS Experts', coordinated by Julie Kim."
CRS Report for Congress, R47054
Congressional Research Service: https://crsreports.congress.gov/