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Hidden Level on Monday said it has raised $65 million in a new funding round that will be put toward expanding manufacturing and hiring, and growing internationally. The Syracuse N.Y.-based startup has developed passive radar and radio frequency direction-finding technology to detect and locate unmanned aircraft systems—including dark drones—aircraft, balloons, and other objects in air space The company’s technology also locates drone operators. The Series C raise was led by DFJ Growth, with participation from Booz Allen Hamilton’s [BAH] venture…
