Russian Geran-4 and Geran-5 gain terrain-matching navigation
Russia has equipped its Geran-4 and Geran-5 attack drones with an optical terrain-navigation system that allows them to fly without relying on satellite navigation, Ukrainian presidential defense technology adviser Serhii Beskrestnov, known as Flash, said.
We haven't written up this one. New Voice of Ukraine has the full story — the link below goes straight to it.