摘要
The Indo-Pacific Strategy Report(IPSR)released by the U.S.Department of Defense on June 1,2019 expounded America’s historic ties to the Indo-Pacific region,looked forward to and established the vision and principles of“One Free and Open Indo-Pacific”,analyzed the strategic picture for the region,and clarified the pluralistic challenges faced by the U.S.and the policy measures to tackle these challenges.Based on the text of IPSR,this essay gives an analysis and study of the historic evolution,policy measurement and restrictive factors of the U.S.“Indo-Pacific Strategy”.