The US Space Force has recently completed the deployment of the latest generation of GPS III satellites, marking a significant milestone in maintaining and modernizing the critical GPS infrastructure. However, as this process concludes, lawmakers in Congress are now intensely focused on the need to further strengthen the resilience and anti-jamming capabilities of the GPS network. The GPS system underpins a vast array of military and civilian applications, from precision-guided munitions to commercial aviation and vehicle navigation. With the growing threat of electronic warfare and GPS jamming, there are increasing concerns about the vulnerability of the current GPS architecture. Legislators are now pushing the Department of Defense and the Space Force to prioritize upgrades that can better protect the constellation against intentional interference or disruption. Key priorities include accelerating the development and fielding of next-generation GPS receivers with advanced anti-jamming features, as well as exploring alternative positioning, navigation and timing (PNT) technologies that could complement or serve as backups to the GPS network. There are also calls to harden the ground control and user equipment segments to mitigate the impact of potential GPS outages. As the strategic competition with near-peer adversaries intensifies, ensuring the resilience of critical space-based assets like GPS has become a national security imperative. The Space Force and Congress will need to work closely to identify the optimal investment and modernization strategies to safeguard this vital utility for the years to come.