Three US nerds declare war on Putin with a cheap drone. Three young engineers claimed that all they needed was a 3D printer and around 450 euros for a drone that calculates its GPS coordinates without a signal.
The drone prototype shares similarities with the Tomahawk cruise missile's contour-adapted guidance system, but was developed at a fraction of the cost and time. The system should be resistant to electronic interference signals, “jamming” or “spoofing”