The X-37B was built in tight secrecy by Boeing Co.'s Space and Intelligence Systems unit in Huntington Beach.
X-37B由波音公司太空和情报系统部门经过严格保密条件在亨廷顿海滩建造完成。
If that satellite got diverted for emergency use over, say, Afghanistan, then the X-37B would need to stay in orbit longer.
如果这颗卫星不得不去应付另外的事态，比如说阿富汗，则X - 37b在轨道上还要停留更长的时间。
As the X-37B moved toward the horizon it became silvery and brightened to around magnitude -6, far outshining Venus below it.
接着它就闪耀起来，当x - 37 B太空船接近地平线的时候，它银亮耀眼，亮度达到了-6等，连闪闪发光的金星都远不及它亮。
The US Air Force's X-37B space plane is circling Earth and, although it is on a classified mission with an officially unpublished orbit, sky watchers have spotted it.
美国空军的X-37B太空船当时正在环绕地球，在某个官方未公开的轨道执行秘密任务。天空观察者发现了它。
The US Air Force's X-37B space plane is circling Earth and, although it is on a classified mission with an officially unpublished orbit, sky watchers have spotted it.
美国空军的X-37B太空船当时正在环绕地球，在某个官方未公开的轨道执行秘密任务。天空观察者发现了它。
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