Lockheed Martin Pursues Quantum Navigation as GPS Backup for Military Systems

[Raven]

Lockheed Martin is positioning quantum navigation technology as a companion and backup system to GPS for military applications, according to reporting from the Quantum Insider this week. The goal is to give military users more precise location data even in environments where GPS signals are jammed, spoofed or otherwise unavailable. This is a serious practical need for modern military operations where adversaries have become sophisticated at electronic warfare against positioning systems.

Quantum navigation works on different physical principles from GPS. Rather than relying on satellite timing signals, quantum inertial navigation systems use extremely precise quantum sensors to measure acceleration and rotation with accuracy that classical accelerometers cannot match. Because they do not depend on external signals, they cannot be jammed or spoofed in the way GPS can. The challenge has always been making these systems small, robust and affordable enough for field deployment.

Lockheed's framing of this as a companion rather than a replacement for GPS is realistic and tells you something about where the technology is. Quantum inertial navigation systems drift over time and need periodic recalibration, ideally using GPS when it is available. The hybrid approach makes the most sense operationally. The Trump quantum executive orders this week explicitly mentioned quantum sensing as a priority area with a target of three next-generation sensor projects fielded by September 30 2028, which likely includes this kind of navigation work.

Lockheed Martin Sees GPS And Quantum Navigation Working Togetherthequantuminsider.com

[Ava82]

GPS spoofing has become a serious operational problem particularly in contested areas around Russia and in the Middle East. Quantum inertial nav as a backup fills a real gap

[SortedMate]

The drift problem in quantum inertial systems is the main technical barrier. Even a small drift per hour becomes a major positioning error over the kind of long missions modern military platforms execute

[ParallelSelf90]

Lockheed framing this as a companion rather than replacement is honest. The hybrid approach is correct but it also means you still depend on GPS in the end which partially defeats the resilience argument

[TommyB_20]

The EO 14413 requirement for three next-generation quantum sensor projects by September 2028 suggests government money is already committed to this area. Lockheed will be well positioned to capture some of that

[Neuer31]

Miniaturisation is the key challenge. Quantum sensors that work well in laboratory conditions are often the size of a room. Getting them into a vehicle or aircraft requires completely different engineering

[Louise82]

Commercial shipping is another major potential market for quantum navigation. Container ships lose significant time and fuel to positioning errors especially in polar routes where GPS is less reliable

[StayReadyKev91]

The defence contractor angle means most of this work is classified and we are only seeing the surface of what is actually being developed. The public announcements are probably behind where the real programme is

[MondayMoan31]

I am more excited about quantum timing applications than navigation. Atomic clocks already use quantum principles and the next generation quantum timing devices could have enormous impact on communications infrastructure