NASA has successfully fired its new moon rocket's 4 core engines - a key step towards a launch later this year

The SLS core stage engines fire on the test stand, March 18, 2021.
NASA TV
NASA fired the core stage of its new moon rocket for eight minutes on Thursday, simulating a launch.
Now NASA is poised to ship that stage to Florida and finish building its Space Launch System.
The mega-rocket could launch on its first moon mission, Artemis 1, as early as October.
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NASA put the core stage of its new mega-rocket through its most grueling test yet on Thursday.In