The Center for the Study of the Presidency and Congress (CSPC) today released its report on the proceedings of a high-level tabletop exercise examining vulnerabilities and strategic responses to a positioning, navigation, and timing (PNT) denial scenario. The exercise, which is part of the Center’s National Security Space Program, convened senior leaders from defense, industry, intelligence, and academic communities to examine the response options to adversary denial of the Global Positioning System.