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> But they are newcomers to building rockets from welded steel. AFAIK everybody is.
by gaius_baltar 7y ago
> But they are newcomers to building rockets from welded steel.
AFAIK everybody is.
- Gravityloss 7y agoAtlas was steel. The first US ICBM and an early space launch vehicle. To this day, the Centaur hydrogen upper stage with RL10 engine is steel. Balloon tanks. They inspired SpaceX heavily.