The purpose of the course is to present systems engineering (SE) concepts as applied to the protection of the United States’ critical  infrastructure (CI). A top-level systems viewpoint provides a greater understanding of this system-of-systems (SOS). Topics include: the definition and advantages of SE practices and fundamentals; system objectives that include the viewpoint of the customer, user, and other stakeholders; the elements of the CI and their interdependencies; the impact transportation system disruptions; and systems risk analysis.