Sent_en: 2zh 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.
Sent_yy: 他就职的时机，恰逢NASA在紧锣密鼓地准备让“发现号”航天飞机重返太空，预计将于2005年6月3日发射窗口期的某个时间点进行发射。