This month, NASA is aiming to launch four astronauts atop a 32-story rocket on a 10-day mission around the far side of the moon. The flight of Artemis II will be NASA's first human mission to the moon since Apollo 17, 53 years ago. NASA sees it as a critical stepping stone toward its ultimate goal: landing astronauts on the lunar surface again, establishing a sustained presence there and using the moon as a gateway to future Mars missions. After a number of delays, President Trump set a goal of