The National Health Security Preparedness Index (NHSPI) is a joint initiative of the Robert Wood Johnson Foundation, the University of Kentucky, and the University of Colorado. TFAH wishes to recognize and thank Glen Mays and Michael Childress of the NHSPI for their collaboration and expertise as well as the Robert Wood Johnson Foundation for its continued funding support. Ready or Not and the NHSPI, are complementary projects that work together to measure and improve the country’s health security and emergency preparedness. TFAH looks forward to a continued partnership.