Zephyr has flown six times so far, with four low-level test flights and two stratospheric flights. The stratospheric flights flew for around 18 days each, totalling more than 36 days of continuous flight from only two take-offs.

Airbus ultimately believes that the aircraft could remain airborne for “months at a time” and could provide internet to both commercial and military customers.

Zephyr could also help with disaster management scenarios, including monitoring the spread of wildfires or oil spills, due to its ability to provide persistent, long-term surveillance.

Zephyr 2021 Test Flight Campaign Take Off

Image credit: Airbus

The unmanned glider, which is powered by two small propellers, could ultimately spend around six months continuously in the air and is cheaper and more environmentally friendly than a satellite.

“Credible...