A key upgrade to the legacy GPS ground control segment's cybersecurity capabilities is providing a baseline architecture for a separate ground control modernization effort that will allow the older system to operate GPS III satellites until the next-generation control segment comes online. Lockheed Martin last December fielded an upgrade to its legacy GPS ground station called Commercial-off-the-shelf Upgrade 2 (CUP2) that is designed to replace obsolete parts and improve the system's cybersecurity capability. Don Speranzini, the director of Lockheed's range...
