RPT-INSIGHT-Exelis to offer drone-tracking system as industry, NASA seek to ease safety fears
March 10, 2015 at 07:00 AM EDT
NEW YORK, March 10 (Reuters) - U.S. aerospace company Exelis Inc is close to unveiling a low-altitude surveillance system for drones, the latest sign of how a "highway in the sky" is likely to evolve.
