; (2) to promote engagement between industry and government stakeholders regarding the development of guidelines and best practices; (3) to review past disruptions and lessons learned; and (4) to serve as the liaison between industry and government representatives on research and development and emerging technologies that enhance computer network resiliency. (c) Membership Membership on the working group shall include representatives who have responsibility for computer networks and their maintenance, including— (1) at a minimum, Government representatives of the Federal Aviation Administration and the Department of Homeland Security