U.S. Air Force Developing New Nav Technology As A GPS Backup

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Key Takeaways:

  • The U.S. Air Force is developing a new "R-EGI" aircraft navigation system to reduce reliance on GPS and counter potential jamming by adversaries.
  • The initiative aims to ensure global navigation capabilities for military aircraft even when U.S. GPS is disrupted by man-made or natural events.
  • R-EGI will achieve resilience by incorporating multiple navigation sources, including other global systems and non-traditional methods like celestial navigation.
  • A prototype of the R-EGI system is currently under development, with flight testing expected to commence in 2024.
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The U.S. Air Force announced this week its Life Cycle Management Center (AFLCMC) at Robins AFB in Georgia is developing “the next generation aircraft navigation system.” In response to concern over GPS jamming by adversaries, the USAF initiated study on the Resilient Embedded Global Positioning System/Inertial Navigation System program—shortened to “R-EGI” in military-speak.

Lt. Col. Robinson Hughes, AFLCMC material leader of the Position, Navigation, Timing [PNT] Office said, “Our mission is to make sure the United States military and those of our allies can navigate anywhere around the globe whenever they need to. We all are reliant on U.S. GPS, and adversaries are developing capabilities with the potential to disrupt our way of life. Plus, there are natural events that can disrupt satellites. What happens if we don’t have access to GPS?”

“By branching out to other sources of PNT,” Hughes added, “like using other global navigation systems and nontraditional sources like celestial navigation, we increase the probability that our aircraft can navigate anywhere they really need to be.” According to an Air Force statement, the R-EGI Navigation System prototype is currently under development and is expected to begin flight-testing in 2024.

Mark Phelps

Mark Phelps is a senior editor at AVweb. He is an instrument rated private pilot and former owner of a Grumman American AA1B and a V-tail Bonanza.
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