“Dear everyone,” wrote Rocket Lab CEO Peter Beck during a reddit AMA in April, “I'm not building a bigger rocket any time soon.” Beck seems to get asked about expansion a lot. He and his Kiwi-US space company don’t build craft whose names end in “heavy.” Their rockets don’t land after launch. They’re only about as tall as a five-story building and as wide as a bookshelf, and they heft just 500 pounds max into orbit.

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