NASAのインスタグラム(nasa) - 6月2日 06時00分

A billowing plume of steam signals a successful 450-second test of the RS-25 rocket engine May 28 at our Stennis Space Center near Bay St. Louis, Mississippi. The hotfire test was conducted on the historic A-1 Test Stand where Apollo Program rocket stages and Space Shuttle Program main engines also were tested. RS-25 engines tested on the stand will power the core stage of our new rocket, the Space Launch System (SLS), which is being developed to carry humans deeper into space than ever before.

Credit: NASA

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