As NASA builds barrel sections for the 322 foot tall SLS rocket, they have outlined an aggressive schedule that calls for an unmanned launch to the moon in the fall of 2020. In 2022 they plan to send a manned crew to the moon and beyond...and back for one of the longest flights every. Then in 2024 NASA plans to put astronauts on the moon for the first time in 52 years, including a female.