China Naval Modernization: Implications for U.S. Navy Capabilities--Background and Issues for Congress [Updated July 1, 2021] [open pdf - 2MB]
From the Introduction: "This report provides background information and issues for Congress on China's naval modernization effort and its implications for U.S. Navy capabilities. In an era of renewed great power competition, China's military modernization effort, including its naval modernization effort, has become the top focus of U.S. defense planning and budgeting. The issue for Congress for this CRS report is whether the U.S. Navy is responding appropriately to China's naval modernization effort. Decisions that Congress reaches on this issue could affect U.S. and allied security, Navy capabilities and funding requirements, and the defense industrial base."
CRS Report for Congress, RL33153
Congressional Research Service: https://crsreports.congress.gov/