Our roundup of the main aerospace and defense stories making the news this week.

Two initiatives have been unveiled in Europe and the UK to help advance the use of hydrogen to decarbonize aviation. 

Airbus is struggling with implementing big production increases, as is Boeing, which also faces uncertainty over 737 certifications.

Regional carrier Mokulele Airlines has been named the launch partner in Hawaii for Regent’s 12-passenger Viceroy seaglider, an electric wing-in-ground-effect transport for dock-to-dock overwater routes. 

With commencement of flight tests, Airbus is moving closer to new territory: true long-haul narrowbody services.

GKN’s hydrogen hopes; Dutch zero-emission regional plan; Sceye stratospheric airship; and Amazon Prime delivery drone.

A German startup plans to demonstrate the weight-saving structural integration of a battery system into a wing as the first step toward developing a nine-passenger all-electric regional airliner with a range of 270 nm.

The flight, which marked the first time Roc had flown at altitudes required for effective launch trajectories of Stratolaunch’s Talon-A hypersonic test vehicle, lasted just over three hours.