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/607371'></iframe> Download Embed Share Stratcom Commander Delivers John Glenn Lecture Defense.gov June 13, 2018 | 01:04:49 Air Force Gen. John E. Hyten, commander of U.S. Strategic Command, discusses what it takes to protect the United States in space at the annual John Glenn Lecture in Space History at the Smithsonian Air and Space Museum in Washington, June 13, 2018.