Mark Esper takes reins as U.S. Defense Secretary amid series of challenges
With his eye on an increasingly assertive China, Israel might have to think twice about it's growing ties with the Asian superpower.
Mark Esper talks to reporters as he arrives for the first day on job as New U.S. Secretary of Defense at the Pentagon in Arlington, Virginia, U.S. July 24, 2019. (photo credit: YURI GRIPAS / REUTERS)ByANNA AHRONHEIM
