Return to the moon and then mars, on the orion spacecraft, successfully testing it just this month. the senior project manager showing us the mobile launcher, 400 feet tall. >> we're building the mobile launcher, which will support the space launch system rocket and orion spacecraft to get us to that first step, which will be the moon. >> reporter: nasa hopes it will happen in 2024. and back in houston, flight director gene krantz famously sat. >> cap com, we're stay for the-1. >> reporter: 50 years later, there are now women in the two top jobs as chief flight director and deputy chief flight...