Preview: Bob Zimmerman details Astra, a former publicly traded rocket company that faced failures and near bankruptcy. Now private, they abandoned Rocket 3 and plan to launch the much bigger Rocket 4

The John Batchelor Show - A podcast by John Batchelor

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Preview: Bob Zimmerman details Astra, a former publicly traded rocket company that faced failures and near bankruptcy. Now private, they abandoned Rocket 3 and plan to launch the much bigger Rocket 4 next summer.