A new report from the Government Accountability Office highlights roadblocks to developing alternate positioning, navigation and timing capabilities and recommends the Defense Department do a better job of coordinating authorities, increase its focus on resiliency and clarify PNT requirements. DOD relies heavily on the Global Positioning System for PNT but has begun developing alternate systems to complement existing capability or provide backup when GPS is degraded. GAO found that while the department has invested in alternate PNT -- whether through...
