Space Launch System (SLS)

The Space Launch System (SLS) is an American Space Shuttle-derived super heavy-lift expendable launch vehicle.
It is part of NASA's deep space exploration plans including a crewed mission to Mars. SLS follows the cancellation of the Constellation program, and is to replace the retired Space Shuttle. The NASA Authorization Act of 2010 envisions the transformation of the Constellation program's Ares I and Ares V vehicle designs into a single launch vehicle usable for both crew and cargo, similar to the Ares IV concept.
The SLS is to be the most powerful rocket in existence with a total thrust greater than that of the Saturn V, although Saturn V could carry a greater payload mass.

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