![A crane positions the first steel piece for twin towers of a 215-foot-tall structural test stand for NASA's Space Launch System.](https://www.nasa.gov/wp-content/uploads/2023/03/firststeelatteststand.jpg)
Steel Swings for New SLS Test Stand at NASA Marshall
A crane positions the first steel piece for twin towers of a 215-foot-tall structural test stand for NASA's Space Launch System (SLS), the most powerful rocket ever built.
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https://www.nasa.gov/image-detail/steel-swings-new-sls-test-stand-nasa-marshall/
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