The speed of China's development is obvious to all countries. The two aircraft carriers are already in service, and various fighters and missiles have achieved certain research results. Therefore, some people think that our current strength is very close to that of the United States, but is this really the case? Regarding this issue, my country’s military expert Zhang Zhaozhong clearly stated: Responsibly speaking, everyone should not be misled by the information. The gap between the two countries is still very obvious. There are still large gaps in many fields, and we need to continue our efforts.