As the joke goes: "How to become millionaire in the airline industry? starting as billionaire". That speaks to the risky nature of airline business. Rocket bus

As the joke goes: "How to become millionaire in the airline industry? starting as billionaire". That speaks to the risky nature of airline business. Rocket business is even riskier. The market is small and is absurdly difficult to enter. Musk almost got bankrupted when Spacex failed to reach orbit after three tries in 2008. He went all in. Of the current crop of newly launched rocket companies -- Rocket Lab, Astra, Firefly, Relativity -- do you spot any super rich businessmen?