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/804805'></iframe> Download Embed Share Joint Knowledge Online (JKO) Virtual Classroom (VCLASS) Joint Staff Public Affairs Aug. 19, 2019 | 2:09 At Joint Knowledge Online (JKO) we strive to provide the best training and education tools and resources to ensure the competitive advantage of the Joint Force. This video is a brief summary of the JKO Virtual Classroom (VCLASS).(JS J7 Joint Knowledge Online videography.)