NASA Artemis II astronauts revved up for rocket launch
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ATLANTIC, Va. -- Crews searched for scorched wreckage along the Virginia coast Wednesday in hopes of figuring out why an unmanned commercial rocket exploded in a blow to NASA's strategy of using private companies to fly supplies and, eventually, astronauts ...
Commercial launch providers continue to advance propulsion technology with a renewed focus on liquid oxygen and methane propelled rockets and spacecraft. As systems grow in scale, carrying millions of pounds of propellant,