The change of plan also comes as Artemis 2 has faced multiple delays in recent months. The Space Launch System (SLS) heavy-lift rocket has, once again, proven to be temperamental. NASA had planned to launch Artemis 2 in early February, but pushed the flight back after it caught a hydrogen leak during a fueling test. More recently, NASA delayed the mission to give its engineers time to fix a helium pressurization issue in the upper stage of the SLS. At the earliest, the mission can now get underway on April 1.
"We're going to get there in steps, continue to take down risk as we learn more and we roll that information into subsequent designs," Isaacman said told CBS News. "We've got to get back to basics."。业内人士推荐WPS官方版本下载作为进阶阅读
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