x     NASA said on Friday it is targeting March 6 as the earliest launch date for Artemis II, the mission that will send four astronauts on a flight around the Moon and back, after completing a second full countdown-and-fueling rehearsal of its Space Launch System (SLS) rocket. The test — known as a wet dress rehearsal — ran for nearly 50 hours and included loading the rocket with about 730,000 gallons of cryogenic propellants, without the hydrogen leaks that hindered an earlier attempt. The