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/768646'></iframe> Download Embed Share Defense Secretary Discusses National Defense Strategy Defense.gov Oct. 6, 2020 | 52:45 Defense Secretary Dr. Mark T. Esper discusses the National Defense Strategy and future defense modernization priorities during a fireside chat hosted by Tom Mahnken, president and CEO of CSBA, Oct. 6, 2020.