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/391330'></iframe> Download Embed Share MDARNG's 70th RTI Conducts TC3 Exercise for CLS Course Maryland National Guard Public Affairs Office Feb. 12, 2015 | 2:07 Members of the Maryland Army National Guard's 70th Regiment Training Institute conducted a Tactical Combat Casualty Care exercise at the Warrior Training Center located in Aberdeen Proving Ground in the Edgewood area of Maryland on Feb. 12, 2015.