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/661171'></iframe> Download Embed Share Military Working Dog Handler Defense.gov April 19, 2018 | 0:36 United States Marine Corps LCpl. Christopher Ramos introduces his partner, military working dog Riso. Each species brings different strengths to the job, allowing them to learn from each other and work together as a team.