Student Question A student at the National Defense Strategy at Johns Hopkins School of Advanced International Studies’ Philip Merrill Center for Strategic Studies in Washington asks Defense Secretary Dr. Mark T. Esper a question during the secretary’s visit, Feb. 6, 2020. SHARE IMAGE: Download Image: Small (0 KB)| Medium (0 KB)| Full Size (3.4 MB) Photo By: David Vergun, DOD VIRIN: 200206-D-UB488-010.JPG Photo Gallery