Can this GPS alternative keep a drone from crashing?

AUSTIN, Texas—A drone without a GPS signal is virtually useless, drifting listlessly with the wind until connection is re-established or it crashes. But a geospatial intelligence company has developed software to overcome that problem, using 3D mapping to create what they say is jam-resistant navigation. Peter Wilczynski, Maxar’s chief product officer, showed Defense One a demo of how the company generated a “global 3D map” from “basically taking our satellite