NASA shooting for Sunday shuttle Discovery launch

(AP) -- NASA is replacing some space shuttle connections in hopes of plugging a gas leak and launching Discovery to the international space station on Sunday, after delays of more than a month.

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<p><a href="http://www.physorg.com/news156105508.html">NASA shooting for Sunday shuttle Discovery launch</a></p> <p>(AP) -- NASA is replacing some space shuttle connections in hopes of plugging a gas leak and launching Discovery to the international space station on Sunday, after delays of more than a month.</p>