Everyone remembers "One Small Step," but just four months later humans walked on the surface of the moon for a second time. Do you know what Pete Conrad's first words were when he became the third person to walk on the moon? What would you say if you were the first person to walk on Mars? Join Air and Space’s STEM in 30 as they take a look at the Apollo 12 mission from Virginia Air and Space Center. Also learn about the lightning that struck the Saturn V rocket 37 seconds after launch with the help of students from Sterling Middle School.