Number of US drones will nearly triple by 2020: FAA

An estimated seven million drones will fly in US skies by 2020, nearly tripling the number expected to be in circulation by the end of the year, the Federal Aviation Administration said. "Unmanned aircraft systems will be the most dynamic growth sector within aviation," the agency said in a report, which forecast that some 2.5 drones million will be in use by the end of 2016. How the civilian drone market evolves, however, will depend on future security and regulatory measures put in place by th