Hand Shake Defense Secretary Dr. Mark T. Esper and Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, pose for a photo with World War II Army veteran Herman Zeitchik at the Pentagon, Aug. 29, 2019. SHARE IMAGE: Download Image: Full Size (1.54 MB) Tags: Esper Photo By: Navy Petty Officer 1st Class Dominique A. Pineiro VIRIN: 190829-D-PB383-010C.JPG Photo Gallery