# The Pentagon's Quantum Navigation Bet to Replace GPS

Page: https://stenobird.com/podcast/the-defense-tech-podcast-with-fexingo-government-contracting-aerospace-and-military-tech-7871833/the-pentagon-s-quantum-navigation-bet-to-replace-gps
Text version: https://stenobird.com/podcast/the-defense-tech-podcast-with-fexingo-government-contracting-aerospace-and-military-tech-7871833/the-pentagon-s-quantum-navigation-bet-to-replace-gps.md
Podcast: [The Defense Tech Podcast with Fexingo: Government Contracting, Aerospace, and Military Tech](https://stenobird.com/podcast/the-defense-tech-podcast-with-fexingo-government-contracting-aerospace-and-military-tech-7871833)
Published: 2026-06-09T20:03:23+00:00
Episode link: https://audio.fexingo.com/business/the-defense-tech-podcast/episode-0041.mp3
Audio file: https://audio.fexingo.com/business/the-defense-tech-podcast/episode-0041.mp3
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Duration seconds: 710

## Resource

In this episode of The Defense Tech Podcast, Lucas and Luna break down the Pentagon's push to develop quantum navigation systems as a backup to the vulnerable GPS constellation. They discuss how cold-atom interferometry could provide positioning without satellite signals, the physics behind it, and what it means for defense contractors. Lucas explains why the $29 billion GPS replacement dilemma is driving interest in quantum sensors, with specific examples like the DARPA-sponsored 'Q-NAV' program and the role of Infleqtion (formerly ColdQuanta) in building atom-based accelerometers. They also tie in recent market moves: Lockheed Martin up 3.4% in five days and Northrop Grumman rising 4%, noting that quantum navigation is a long-term bet but gaining serious R&D dollars. The conversation explores the technical challenges — from vacuum requirements to size-weight-and-power constraints — and why this technology could reshape everything from submarine navigation to drone swarms operating in GPS-denied environments. A concise dive into one of the Pentagon's most radical alternative positioning initiatives. #QuantumNavigation #Pentagon #GPSBackup #ColdAtomInterferometry #DefenseTech #Infleqtion #DARPA #LockheedMartin #NorthropGrumman #PositioningNavigationTiming #QuantumSensors #LMT #NOC #Business #Technology #FexingoBusiness #BusinessPodcast #DefensePodcast Keep every episode free: buymeacoffee.com/fexingo

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