Launching Artemis III, IV and V before the end of 2028 will not be easy, and Isaacman said it is essential that NASA rebuild its workforce and regain the technical competence to support a higher launch cadence, moving from one flight every 18 months or so to a flight every year. That pace, he argued, will reduce risk.
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Some mocked the executive's attempt to prove her credentials by publicly sharing her Xbox Gamertag, showing how many games she has recently played - 29, but all seemingly in the past month.
第一窝小鼠整体比较“社恐”，总喜欢把棉花堵入红房子，把自己严严实实藏在里面，很少出来活动；