The article says Northrop Grumman’s Lumberjack drone successfully flew using SandboxAQ’s AQNav magnetic navigation system instead of GPS. The system reads tiny variations in Earth’s magnetic field and turns them into position estimates, making it harder to jam or spoof. The piece frames this as a milestone for GPS-denied military operations and a sign that quantum sensing is becoming practical in real aircraft. Its main takeaway is that passive magnetic navigation can improve resilience without major hardware changes.
