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/775638'></iframe> Download Embed Share The Maritime Expeditionary Security Force Defense.gov Dec. 8, 2020 | 1:46 The Navy officially changed the name and mission of the Coastal Riverine squadrons to reflect their role amid a new era of great power competition; they are now known as the Maritime Expeditionary Security Force. Take a look at some highlights of their mission in this video. Video by Austin Rooney