How drones can navigate without GPS
Absolute positioning is critical in contested and denied environments.
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3D vision is redefining how drones navigate without GPS
As “dirty” RF and contested environments proliferate, autonomy increasingly depends on resilient positioning.
Satellites at the center: Inside the Pentagon’s next-gen space architecture
From emerging data networks to missile tracking and cyber resilience, Breaking Defense’s latest eBook brings together essential reporting on the evolving role of satellites in national security.
Lockheed Martin nabs $105M ground system contract to support next-gen GPS
The upgrade to be performed under then new contract would allow Lockheed Martin's AEP ground system to replace RTX's long-troubled OCX program for future GPS IIIF birds.
As more nations seek counterspace chops, GPS jamming also rises: Report
The Secure World Foundation's annual report also identified a trend towards bodyguard satellites that shadow and defend high-value military and intelligence satellites from adversary attack.
Project Hecate: The Space Force’s quiet effort to keep GPS survivable after 2040
Meanwhile, the Space Warfighting Analysis Center is pushing the use of signals from communications satellites in low Earth orbit as a near-term alternative to GPS.
As Space Force wraps up GPS III launches, lawmakers push for more anti-jam capability
Meanwhile, House and Senate appropriators are foot-stomping the need for improvements to the GPS constellation and new, resilient alternatives.
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Winning the cognitive domain — A methodology built for democratic constraints
The challenge for Western democratic institutions is not a lack of capability — it is a structural one.
Changes in FCC rules to support GPS alternatives could impact DoD
The FCC's concerns echo those from DoD and the Space Force about the ease of GPS jamming — and the rapid rise in deliberate jamming by governments and militaries in hot spots around the world such as Syria, Ukraine and the Red Sea.
Calvelli’s biggest regret: New GPS ground system still non-operational
Outgoing DoD space acquisition czar Frank Calvelli told Breaking Defense in an exclusive interview that he is confident the troubled OCX software will be up and running by year-end.
GPS resiliency is falling short, but there is a solution
"In short, if GPS goes down, critical infrastructure fails and our nation plunges into chaos," writes Rear Admiral USN (ret.) David Simpson.
Space Force scrambling to get GPS ground system upgrades done by 2025
The troubled OCX ground system to allow users access to the jam-resistant M-Code GPS signal will go into operational tests by the end of the year, and the Space Force also has shaken up its effort to field M-Code radios and receivers, said Cordell DeLaPena, who heads those programs for Space Systems Command.
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America needs next-gen solutions to counter modern air and missile threats
Defending a country the size of the US from threats requires advanced sensing, communications and interception capabilities.
Space Force taps 4 firms for first phase of ‘Resilient GPS’ program
The four companies chosen for the GPS augmentation program are Astranis, Axient, L3 Harris, and Sierra Space.
Ensured SATCOM, GPS alternatives tops among Space Force budget wishes
"Every dollar invested brings asymmetric returns, while every cut risks asymmetric losses, given the continued advancements of the competitors, the Space Force budget needs more, not fewer, resources to do our job," said Gen. Michael Guetlein, Space Force vice chief.
White House advisory group blasts US government, DoD inattention to GPS woes
The President’s National Space-based Positioning, Navigation, and Timing Advisory Board recommends that the Biden administration create a new “locus of authority and accountability for PNT decision-making beyond DoD GPS program management.”
SASC orders Pentagon transparency in spectrum dispute with Ligado
The language in the SASC version of FY25 NDAA demands that DoD detail what military systems have previously and currently have operated in, or in those adjacent to, "the 1525-1559 megahertz and the 1626.5-1660.5 megahertz" radio frequency bands at the center of the long-running DoD-Ligado dispute.