Administrator Jared Isaacman cites ‘major progress’ since earlier discovery of liquid hydrogen leaking from rocket Administrator Jared Isaacman cites ‘major progress’ since earlier discovery of liquid hydrogen leaking from rocket Nasa said on Friday it was planning to launch its delayed Artemis II moon mission on 6 March after successfully completing a fueling test that had caused it to stand down earlier this month. Jared Isaacman, the space agency’s newly confirmed administrator, cited “major