The US Committee on the Marine Transportation System (CMTS) has launched a COVID-19 working group. The group seeks to ensure a coordinated approach to the continued efficient operation of the supply chain. The working group serves as a forum for facilitating high-level interagency discussion, communication, and actions in support of the MTS under and after Covid-19. Led by the Maritime Administration and US. Coast Guard, the group is made up of 19 participating agencies. On Nov. 18th the working group will host a webinar to discuss COVID-19 Testing Strategies for US Merchant Mariners.