Player Embed Code: <iframe width='500' height='300' scrolling='no' frameborder='0' style='border: none; overflow: hidden; width: 500px; height: 300px;' allowtransparency='true' src='https://www.dvidshub.net/video/embed/757857'></iframe> Download Embed Share Pentagon Official Discusses Defense Modernization Priorities Defense.gov June 30, 2020 | 43:51 Dr. Mark Lewis, the Defense Department’s director of defense research and engineering for modernization, discusses the DOD’s priorities with Rebeccah Heinrichs of the Hudson Institute in Washington, June 30, 2020.