The bland white exterior of the Bombardier Challenger 650 hides an interior with server racks, cutting-edge avionics, and computer consoles rather than plush furniture and woodwork. Instead of transporting businesspeople and wealthy people to far-off cities,
Instead of listening in on enemy conversations on the battlefield, the idea behind this spy plane enables the military to monitor complex communications from adversarial nation-states from a secure distance. The US Army’s High Accuracy Detection and Exploitation System (HADES), a method for obtaining aerial intelligence, involves the participation of the aircraft.
Source: https://robbreport.com/motors/aviation/bombardier-challenger-650-spy-plane-1234787903/