"China and Russia are pursuing hypersonic weapons because their speed, altitude, and manoeuvrability may defeat most missile defence systems, and they may be used to improve long-range conventional and nuclear strike capabilities," the report said on Thursday. "There are no existing countermeasures."
The report also said that China and Russia are developing anti-satellite weapons to threaten US space operations. Beijing, the report claimed, is developing capabilities to conduct large-scale anti-satellite strikes using novel cyber and electronic means.
READ MORE: STRATCOM: US Must Not Trail China, Russia in Aspects of Hypersonic Technology
The report identified 26 long-range emerging threats that the United States faces in the areas of adversary military advancements, dual-use technologies, weapons and demographic changes.