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When Robert Behnken and Douglas Hurley lift off from Kennedy Space Center to the International Space Station, Nasa will be hoping they will both break tradition and set a new course for US spaceflight.

They flew during the Space Shuttle years and have been tasked to begin a new level of space travel to the ISS (International Space Station).

They will spend roughly 3 months aboard the ISS and then splash down back in the Atlantic just like the old days. See a test flight below.

Photo: Getty Images

In a PERFECT world this is how it should work everytime.