NASA's latest rocket, built to take humans to Mars, has successful test firing

The development of NASA’s Space Launch System is the largest engineering feat since the Apollo era. Today’s test, dubbed Qualification Motor–1 (QM–1), is a test of the SLS five-segmented solid rocket motor, meant to evaluate how the booster operates in high temperatures. To prepare the booster for the test, the roll-away test stand cover was heated over the course of several days, until sensors within the booster signaled that the hardware reached the targeted 90 degrees. Before the historic first flight of SLS, the different components must be thoroughly tested.

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