Swiss aviation pioneer Bertrand Piccard is developing a plane powered by liquid hydrogen after a much-hyped flight in 2015 ...
The U.S. Air Force announced in 2022 that it would begin retiring its fleet of 177 Jayhawks, which have flown in the service since 1993.
Swiss aviation pioneer Bertrand Piccard is developing a plane powered by green liquid hydrogen after a much-hyped flight in 2015 that used sunlight to travel around the world.