Task: Translation
Input (English): He takes office at a time when NASA is busy with preparations for the return to flight of the space shuttle Discovery , expected sometime during the launch window of May 15 through June 3 , 2005 .
Output (English): He takes office at a time when NASA is busy with preparations for the return to flight of the space shuttle Discovery, expected sometime during the launch window of May 15 through June 3, 2005.