Nasa aims to send astronauts to the moon in March after acing the latest rocket fuelling test. Administrator Jared Isaacman said on Friday that launch teams made “major progress” between the first countdown rehearsal, which was disrupted by hydrogen leaks earlier this month, and the second test, which was completed without significant seepage on Thursday night. The test was “a big step toward America’s return to the lunar environment”, Isaacman said on social media. Nasa could launch four...