“If you don’t know much about rockets, know this: Such cadence is jaw-dropping for an orbital rocket, especially a large one.”
In a follow-up tweet, he clarified “my math was wrong” and said SpaceX’s launches add up to one every nine days this year.
The spaceflight expert also said: “Newer companies with smaller rockets or suborbital systems often make claims in news releases or investor presentations about such a flight rate, but it is extraordinarily difficult to achieve.
“Be wary. It’s taken an exceptional company, SpaceX, two decades to reach this point.”