It is a sequel to the Hermes 450 series of drones, one of the most widely used military drones in the world.
It has an endurance of over 30 hours and can fly at a maximum altitude of 30,000 feet (9,100 m), with a primary mission of reconnaissance, surveillance and communications relay. The Hermes 900 has a wingspan of 15 m (49 ft) and weighs 970 kg (2,140 lb), with a payload capability of 300 kg (660 lb). Payload options include electro-optical/infrared sensors, synthetic-aperture radar/ground-moving target indication, communications and electronic intelligence, electronic warfare, and hyperspectral sensors.