NASA Delays Second Megarocket SLS Amplifier Test Fire Due to Valve Issue


NASA’s lunar megarocket faces another test delay before the vehicle’s expected first flight for the Artemis Program.

For months, NASA personnel have been conducting a series of tests called a “green race” on the first core stage of the agency’s new massive rocket, the Space launch system (SLS). The tests are happening in the NASA Stennis Space Center in Mississippi before being sent to Florida for the unmanned launch of Artemis 1 from NASA’s Kennedy Space Center near Orlando.

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