China has launched its first next-generation amphibious assault ship, adding a powerful cutting-edge warship to the country’s fast-expanding navy as it races to rival the military power of the United States.

While the United States and Europe are working on concepts for new fighter jets, China is already testing its prototype sixth-generation fighter. Here is what it might feature. A new, previously unknown aircraft resembling sixth-generation fighters has been spotted in China.

China announced on Friday countermeasures against seven United States military companies and relevant senior executives over arms assistance and weapons sales to the Taiwan region, and vowed to keep taking all necessary measures to firmly defend its sovereignty, security and development interests.

China has sanctioned seven military industrial companies and related senior executives over U.S. arms assistance and sales to Taiwan, the Chinese foreign ministry said on Friday. Boeing subsidiary Insitu Inc.