Aug. 12 (UPI) -- NASA is ready to show off its final piece of space flight hardware for the Space Launch System rocket for the Artemis II mission. NASA has invited media to the Marshall Space Flight Center in Huntsville, Ala., to see the piece. The rest of the SLS rocket for Artemis II is stacked on mobile launcher 1 at Kennedy. Artemis II, NASA's first mission with crew aboard the Orion spacecraft, is scheduled for a 10-day trip around the moon in April 2026. The Orion stage adapter, built by