By Marc J. Berkowitz, Defense Opinion Writer. The United States has ceded its leadership position in space-based positioning, navigation and timing (PNT), with stark ramifications for most all U.S.

A new study reveals advanced methods for improving orbit determination (OD) of large constellations of Low Earth Orbit (LEO) satellites, utilizing Global Navigation Satellite System (GNSS) ...

Congress must invest in the next generation of GPS satellites that include all three ... approach not only ensures precise positioning and navigation for military and civilian users but also ...

The PNT Advisory Board provides independent advice to the U.S. government on GPS-related policy, planning, program management and funding profiles in relation to the current state of national and ...

A reliable terrestrial complement and backup to GPS is one critical solution to help meet the national security, economic and public safety needs of America. To ensure continued PNT services in the ...

Sine.Engineering is equipping Ukrainian drones with an alternative to GPS, which has become a critical vulnerability on ...

Japan has launched a navigation satellite on its flagship H3 rocket as the country seeks to have a precise positioning system of its own ...

The Indian Space Research Organisation (ISRO) has encountered a significant setback with its recently launched NVS-02 navigation satellite. Launched on Jan. 28, 2025, the satellite is currently ...

India successfully launched into orbit on Wednesday a new navigation satellite aboard a home-grown rocket, strengthening its ...

Japan launched a navigation satellite early Sunday morning (Feb. 2), the nation's first liftoff of 2025. An H3 rocket launched the Michibiki 6 spacecraft from Tanegashima Space Center on Sunday at ...