The investment comes from existing production partner and leading defense technology company Leonardo DRS and new investor Korea Robot Manufacturing (KRM) , /PRNewswire/ -- Hoverfly Technologies, the leading provider of tethered drone systems for defense and security, is proud to announce the successful close of its $20 million Series B funding round, led by existing investor Leonardo DRS (DRS) and new partner Korea Robot Manufacturing (KRM). The investment is the single largest capital raise in company his ...