GPS Architecture Modernization: Where We Were and Where We Are Headed.

The article focuses on the 50-year anniversary of the Global Positioning System (GPS) and its critical role in various aspects of everyday life. Topics discussed include the history and milestones of GPS, modernization efforts by the U.S. Space Force's Space Systems Command, advancements in space systems like the GPS III satellites, developments in user equipment such as the Military GPS User Equipment (MGUE), ongoing progress in control systems.