(Credit: NASA)

Exactly 50 years after the first humans stepped foot on the
moon, three astronauts will blast off into space to join the current crew on
the International Space Station.

On July 20, NASA astronaut Drew Morgan, European Space Agency astronaut Luca Parmitano, and Russian cosmonaut Aleksandr Skvortsov, will launch from Kazakhstan around 12:28 EDT. After a four-hour orbit around Earth, the crew will travel the last two hours to the ISS, docking around 6:50 p.m. EDT. Two hours