If the weather is bad, he says the return could be postponed by one day unless there is a reason to make an emergency landing, in which case Discovery could touch down either at either Edwards Air Force Base in California or White Sands in New Mexico.

• 如果天气情况不好，他说返回计划将被延后一天直到有必要进行紧急迫降，“发现号”可能在佛罗里达州的爱德华兹空军基地降落或是新墨西哥州的白沙基地降落。