You don’t need to be an astronaut or spend a dime to take part in NASA’s next historic journey around the Moon.

The excitement is building as NASA works toward launching its first crewed lunar flight in more than five decades.

The rollout on Saturday, Jan. 17, of the Space Launch System (SLS) rocket is a crucial step signaling that NASA is in the final stretches to get its first crewed lunar mission in five decades off the ...