The US National Aeronautics and Space Administration (Nasa) successfully conducted a second ‘hot fire’ test of the core stage of its new Space Launch System (SLS) rocket late last week. The SLS core stage, the prime contractor for which is Boeing, is powered by four Aerojet Rocketdyne RS-25 rocket engines. “The SLS is the most powerful rocket Nasa has ever built, and during (this second) test the core stage of the rocket generated more than 1.6-million pounds (7 117 kN) of thrust within seven seconds,” highlighted Nasa acting administrator Steve Jurczyk. “The SLS is an incredible feat of engineering and the only rocket capable of powering America’s next-generation missions that will place the first woman and the next man on the Moon. (This) successful hot fire test of the core stage for the SLS is an important milestone in Nasa’s goal to return humans to the lunar surface – and beyond.”
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