The first part of this report discusses policy issues regarding such military-to-military (mil-to-mil) contacts. The second part provides a record of such contacts since 1993, when the United States resumed exchanges after suspending them in response to the Tiananmen Crackdown in 1989. Congress has exercised important oversight of the military relationship with China.

This report discusses China's maritime and and exclusive economic zone (EEZ) claims in the East China and South China Seas and their effect on U.S. policy and strategy in the region. Topics covered are the history of the territorial disputes and the interests of China, neighboring countries, and the United States in the disputes, maritime disputes in general, relevant treaties and agreements, China's approach to disputes, the United States's approach and position on the disputes, specific issues for Congress to address, and related legislative actions in 2017. Four appendices cover strategic context from an U.S. perspective, U.S. treaties with Japan and the Philippines, and operational rights in the EEZ, and options suggested by observers for strengthening U.S. actions.

This report provides background information and issues for Congress on China's naval modernization effort and its implications for U.S. Navy capabilities. The issue for Congress is how the U.S. Navy should respond to China's military modernization effort, particularly its naval modernization effort.