WASHINGTON, April 29 (Reuters) – Two U.S. senators on Monday urged U.S. Transportation Secretary Elaine Chao to finalize a long-delayed rule that would require the remote identification of unmanned aircraft systems, or drones.

Congress tasked the Federal Aviation Administration in 2016 with issuing regulations or guidance by July 2018 that could permit the public, the FAA, law enforcement, and others to remotely track and identify drones and their operators during flight.

Senators Edward Markey, a Democrat, and John Thune, a Republican, said such a rule would help address a rising number of unauthorized drone flights.

“Remote identification will enhance safety, security, and privacy, and serve as a critical tool for law enforcement to respond to and address reports of illegal and unauthorized drone operations,” the