Sept. 9 (UPI) -- NASA invited the public on Tuesday to grab a boarding pass and be a part of the space agency's test flight of its Artemis II mission set to launch four astronauts into orbit next year. Officials at the U.S. space agency NASA said its public effort to involve civilians in the orbital venture around the moon and back in the Artemis test mission flight means individual spots for "Send Your Name with Artemis II" need to be claimed before January 21. The Artemis II program is a "key