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: Download: Full Size (2.38 MB) Tags: Chairman, Milley, Defense Secretary, Esper Credit: Army Staff Sgt. B. Nicole Mejia, DOD VIRIN: 191011-D-AP390-1184Y.JPG Photo Gallery