The United States and China are engaged in a hypersonic “arms race,” the head of the Air Force said.

Air Force Secretary Frank Kendall described the race as one about “increased quality” instead of “increased numbers” in a Tuesday interview with Reuters.

Recommended Stories

Austin raises support of Russia in meeting with Chinese counterpart

In ‘punishment drills,’ China stages dress rehearsal of military assault on Taiwan

Pentagon publishes annual list of companies working in US aiding Chinese military