FILE – Air Force Gen. John Hyten, outgoing commander of US Strategic Command, speaks during a change of command ceremony at Offutt AFB in Nebraska, Monday, Nov. 18, 2019. China’s growing military muscle and its drive to end America predominance in the Asia-Pacific is rattling the U.S. defense establishment. “The pace at which China is moving is stunning,” says Gen. John Hyten, the No. 2-ranking U.S. military officer, who previously commanded U.S. nuclear forces and oversaw Air Force space operations. (AP Photo/Nati Harnik, File)