The B-2 Test Stand at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. | NASA
Four huge rocket engines will roar to life on Saturday, in a crucial test for NASA’s powerful next-generation rocket. This long-awaited trial run won’t leave the ground, but it will be so powerful that officials have warned that it may be heard up to 60 miles away.
Saturday’s test is the last step in series of tests that NASA calls a Green Run for the Space Launch System (SLS), a powerful rocket designed to launch missions to the Moon and deep space. It will test the 212 foot tall core of the SLS, which consists of four engines, liquid fuel tanks, and the computer and technical systems that NASA calls the “brains” of the rocket.
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