Boeing defense chief talks about increased introspection, the impact of COVID-19 on the market and plans for the KC-46.

Collins Aerospace describes initiatives to safeguard aviation’s VHF-routed data link communications.

Russia’s new Irkut MC-21 commercial narrowbody continues to face certification delays.

Ask the Editors: Aviation Week data shows the U.S. military operates about three times as many manned aircraft as the Chinese military.

Rolls progresses electric propulsion; ZeroAvia flies electric in UK; Terrafugia unveils eVTOL; and Electra.aero builds team.

Ask the Editors: Boeing’s narrowbody share has dipped due to the MAX grounding; some advanced technologies could help it move the needle.

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

Fuel cells may be more suited to smaller commercial aircraft, while larger ones would retain turbine engines.