Ground-breaking solar powered unmanned aircraft makes first flight
Persistent High Altitude Solar Aircraft (PHASA-35®) has the potential to stay airborne for year. Persistent High Altitude Solar Aircraft (PHASA-35®) has…
solar powered
Persistent High Altitude Solar Aircraft (PHASA-35®) has the potential to stay airborne for year. Persistent High Altitude Solar Aircraft (PHASA-35®) has…