Council Comments Defense Secretary Dr. Mark T. Esper speaks with ret. Army Gen. David H. Petraeus during a Business Council event in Washington, Feb. 21, 2020. SHARE: Download: Full Size (0.99 MB) Tags: defense secretary, esper Credit: Army Staff Sgt. Brandy Nicole Mejia VIRIN: 200221-D-AP390-1004M.JPG Photo Gallery