4 ms·
Atlas 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. T
by Gravityloss 7y ago
Atlas 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.