NASA said that SLS will provide a safe, affordable and sustainable technology to carry the Orion spacecraft into space. The SLS will also serve as backup for commercial and international partner transportation services to the International Space Station (ISS). According to NASA, SLS will combine features from the Space Shuttle as well as the Constellation program. The device will be using a liquid oxygen propulsion system that will be built from the Space Shuttle's RS-25D/E core stage as well as the new J-2X engine. The total lift capacity initially will be 70 metric tons, or about 154,000 pounds.
2DayBlog.com, NASA announces new deep space exploration vehicle
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