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US space shuttle Endeavour will launch for one last time as NASA space shuttle programme's next-to-last mission. The launch nears the end to the programme's 30-year run. 

President Barack Obama and his family are expected to attend Friday's event. Also attending is the wife of the shuttle commander, Congresswoman Gabrielle Giffords, who is recovering from a gunshot wound sustained while meeting constituents in January.

Al Jazeera's Scott Heidler reports from the Kennedy Space Center.

Source: Al Jazeera