If aviation is to be more accessible and ubiquitous, aircraft will have become quieter.

Whisper’s quiet drone; Avoiding satellite collision; Refueling in space; Hypersonic funding boost; and Rapid hydrogen refueling.

The Russian government indicates it might “nationalize” aircraft operated by Russian airlines and owned by lessors outside the country.

European defense technology firm MARSS develops an aerial ram to hard-kill drone swarms.

Bank of America’s Ron Epstein joins our experts to assess the industry’s reliance on Russian metals and whether lessors could lose hundreds of aircraft.