![The SLS Preliminary Design Review (PDR) was held July 31 at NASA’s Marshall Space Flight Center, Huntsville, Ala.](https://www.nasa.gov/wp-content/uploads/2023/03/0fd3894_2.jpg)
Space Launch System Preliminary Design Review
The Space Launch System Preliminary Design Review (PDR) was held July 31 at NASA’s Marshall Space Flight Center, Huntsville, Ala.,
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https://www.nasa.gov/image-detail/space-launch-system-preliminary-design-review/
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