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/756584'></iframe> Download Embed Share Breaking Barriers: The Next Years in Strategic Deterrence and Missile Defense Defense.gov June 18, 2020 | 44:40 Top Defense Department officials discuss strategic deterrence and missile defense during a virtual conference at the Defense Tech Summit, June, 18, 2020. The speakers are Navy Vice Adm. Jon Hill, director of the Missile Defense Agency, and Michael E. White, assistant director for hypersonics in the Office of the Undersecretary of Defense for Research and Engineering.