Esper and Milley Defense Secretary Dr. Mark T. Esper and Chairman of the Joint Chiefs of Staff Army Gen. Mark A. Milley conduct a news conference at the Pentagon, Oct. 28, 2019. SHARE: Download: Full Size (1.37 MB) Tags: Chairman, Milley, Defense Secretary, Esper Credit: Navy Petty Officer 2nd Class James K. Lee, DOD VIRIN: 191028-D-WA993-0017.JPG Photo Gallery