KENNEDY SPACE CENTER, FLA. - Space Shuttle managers take questions from the media during a press conference held following the conclusion of the Flight Readiness Review for Space Shuttle Discovery's Return to Flight mission STS-114. From left are NASA's Administrator Michael Griffin, Associate Administrator for Space Operations William Readdy, Space Shuttle Program Manager William Parsons, and Space Shuttle Launch Director Michael Leinbach. A July 13 launch date was approved for the 12-day mission during which Discoverys seven-person crew will test new hardware and techniques to improve Shuttle safety, as well as deliver supplies to the International Space Station.