What is SpaceX? How does it make funds?
The corporation is set to make historical past as, alongside Nasa, it sends two astronauts to the International Space Station – the initially time a personal company has carried out this.
The start from the Kennedy Place Middle in Florida is scheduled for 16:33 nearby time (20:33 GMT / 21:33 BST).
Science correspondent Laura Foster can take a nearer glance at the firm’s aims.