NASA Following the success of its Artemis II crewed mission , NASA is now turning its focus to the next milestones in its plan to put astronauts back on the moon. The space agency has been eyeing a moon landing in 2028, and it's tapped Blue Origin and SpaceX to provide the landers that could support humans on the surface (though neither company has demonstrated a moon landing yet). This week, NASA shared that it now has a full-scale prototype of the crew cabin of Blue Origin's Mark 2 lander so it can begin training. With the 15-foot-tall prototype at NASA's Johnson Space Center, the space agency and Blue Origin will be able to "conduct a series of human-in-the-loop tests, or tests with human interaction, including mission scenarios, mission control communications, spacesuit checkouts, and preparations for simulated moonwalks," NASA explained.…