Amanpour and Esper Defense Secretary Dr. Mark T. Esper speaks with CNN correspondent Christiane Amanpour during a visit to Prince Sultan Air Base, Saudi Arabia, Oct. 22, 2019. SHARE IMAGE: Download Image: Full Size (0.95 MB) Tags: Defense Secretary , Esper Photo By: Army Staff Sgt. Nicole Mejia, DOD VIRIN: 191022-D-AP390-3244C.JPG Photo Gallery