London Heathrow Airport has purchased advanced equipment to keep drones out
of the sky. Environmental groups threaten mid-September with drones to
hinder air traffic.
 
Drones, whether or not intentionally used around airports, can cause
dangerous situations, such as collisions with aircraft.
 
To eliminate drones at an early stage, Heathrow invested millions to
install advanced systems that can detect and remove drones. The latter is
done by disrupting the communication between the drone and the driver.
 
Such equipment is increasingly being used, among other things, to secure
important events and during military operations.

--- D'Bridge 3.99