CENTURION
Centurion is a aircraft, developed by NASA, which has a weight of only 11 kg, uses no fuel, and flies up to 30 km. Powered by 12 e-motors and a solar array system on top of it's 19 m large wings, it collects important datas in atmosphere. Centurion is remote controlled, and this one was a prototype, the future one will have a wingspan of 76 m.