BTN humans in space

Red – Facts 
Green – Questions 
Blue – Understand 

There are programs  that are sending people into space for experience.
They are reusing space crafts to make other things.
People have been living in satellites since 2000.   

Why dose it take long to send stuff or people into space? 
Dose the polite control the rocket?

I now understand that we still have to complete our missions.