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For over 50 years the National Aeronautic Space Administration (Nasa) has been a fixture in science, in fiction and science fiction.

Charles Bolden, the Nasa administrator, talks to Al Jazeera's Imran Garda about the US relationship with the Middle East after Obama's so-called Cairo initiative, reaching out to the Muslim world, international contribution to the space mission, the constellation project, Nasa's challenges, militarisation of space, the US leadership role in space, and life in space.

This episode of Talk to Al Jazeera aired from Wednesday, June 30, 2010.

Source: Al Jazeera