Briefing Reporters Defense Secretary Dr. Mark T. Esper speaks to reporters during a joint news conference with Army Gen. Mark A. Milley, chairman of the Joint Chiefs of Staff, at the Pentagon, Oct. 11, 2019. SHARE IMAGE: Download Image: Full Size (2.38 MB) Tags: defense secretary, chairman, esper, milley Photo By: Army Staff Sgt. B. Nicole Mejia, DOD VIRIN: 191011-D-AP390-1184Y.JPG Photo Gallery