They fallback to unjammable guidance, usually INS but possibly TERCOM or AI target discrimination in the modern day. Russia uses sub-$300 hardware like the Nvidia Jetson to enable semi-autonomous loitering strike capability in their Shaheds: https://www.techspot.com/news/108579-russia-field-testing-ne...
GNSS is also cheap, precise and difficult (although possible) to jam. It's probably the preferred guidance on strike drones operating outside the regular theater, where GPS are less denied.
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They fallback to unjammable guidance, usually INS but possibly TERCOM or AI target discrimination in the modern day. Russia uses sub-$300 hardware like the Nvidia Jetson to enable semi-autonomous loitering strike capability in their Shaheds: https://www.techspot.com/news/108579-russia-field-testing-ne...
GNSS is also cheap, precise and difficult (although possible) to jam. It's probably the preferred guidance on strike drones operating outside the regular theater, where GPS are less denied.