NASA Space Test: Exploring New Frontiers and Pushing Boundaries!"

Article: "Next-Generation RS-25 Engines for the NASA
Space Launch System" Ittp://go.usa.gov/xQ8Jm
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Stennis Space Center has long been known as the agency's largest rocket testing facility and they have been extremely busy with the testing of the upgraded RS-25 engines. In fact all RS-25 Engine testing happens exclusively at Stennis Space Center! If these look familiar to you, it may be due to the fact that they were used as the space shuttle main engine for the last 30 years. Compared to the 3 RS-25 engines that the space shuttle had the SLS will utilize 4 of them to produce 2 Million pounds of thrust.
The thorough testing of the RS-25 plavs an essential role in upholding NASA's high standards of efficient and reliable engines.