WASHINGTON — The four Artemis 2 astronauts arrived in Florida March 27 for final preparations ahead of a launch still scheduled as soon as April 1. The four Artemis 2 astronauts — Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen — flew from Ellington Field in Houston to the Kennedy Space Center in Florida on NASA T-38 jets. They were accompanied by the two backups for the mission, And...