How much vertical height difference exists between the 403-foot Starship stack and the NASA Space Launch System (SLS)?
Answer
About 81 feet
When directly comparing the current operational height of the Starship stack (around 403 feet) to the height of the NASA Space Launch System (SLS), which stands at 322 feet, the Starship vehicle provides a significant increase in vertical dimension. The difference calculates to approximately 81 feet. This nearly extra story in height illustrates the immediate scale advantage Starship holds over the tallest rocket currently flying from the United States, even before considering the potential 500-foot deep-space configuration.

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