BOCA CHICA BEACH, Texas — SpaceX was able to launch its 12th Starship flight test on Friday night; however, the Super Heavy booster was lost and did not have the water landing in the Gulf as planned.

We’ve said it before: building one-offs is different from building at scale. Even on a small scale. There was a time when it was rare for a hobbyist to produce more than one of anything, but these ...