This could be a serious problem. The shield protected the spacecraft from burning up from the extreme heat of re-entering the Earth's atmosphere.

VOA: special.2009.06.17

Satan has roused himself from off the burning marl, and he stands in order to call up his fallen minions, to rouse them to acts- great acts of heroism.

撒旦已经从灰土中站起身，召唤着他同样堕落了的随从们，唤醒他们实现英雄之举。

耶鲁公开课 - 弥尔顿课程节选