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/629899'></iframe> Download Embed Share Do You Know Your Military? Defense.gov Sept. 28, 2018 | 2:04 This video explains how the Department of Defense is organized and how we ensure our nation’s security. Watch the video and then dive into Defense.gov to learn more.