youtube.com/watch?v=R7Kt... #Comac919 and #Comac929 are the only real hope to deliver new cost efficient and unsanctionable supply chain large jets. It's #Boeing that's most likely to disappear as #Embraer, #Comac, Russian airliners with #carbonfiber airframes now rise. No one can rely on US parts.

The world has a big plane prob...