The rise of drones in the skies has raised a number of new safety concerns, ranging from collisions and crashes to cyber-attacks and terrorism. To ensure safe unmanned aircraft system (UAS) operations, systematic registration of unmanned aircraft and robust education and training of operators is necessary, according to a new report from Allianz Global Corporate & Specialty (AGCS): Rise of the Drones: Managing the Unique Risks Associated with Unmanned Aircraft Systems.