Unmanned solar electric drone obliterates endurance record
Drone UAV
Space Drone that extends satellite life could also be weaponized - YouTube
This 'pseudo-satellite' drone can fly 70,000 feet up in the sky
A satellite antenna, electro-optical/infrared and ocean color sensors (front) were among payloads installed on the Altair for … | Летательные аппараты, Ввс сша, Ввс