Defense Diplomas Marine Corps Gen. Joe Dunford, the chairman of the Joint Chiefs of Staff, speaks at the National Defense University graduation at Fort McNair in Washington, June 13, 2019. The NDU Class of 2019 consists of leaders from the U.S. military services, the Defense Department and other federal government agencies, as well as from allied and partner nations. SHARE IMAGE: Download Image: Full Size (1.87 MB) Tags: know your military, leaders, chairman, dunford Photo By: Navy Petty Officer 1st Class Dominique A. Pineiro, DOD VIRIN: 190613-D-PB383-018E.JPG Photo Gallery