但在最近一次在巴西帕拉州雨林边界上空的侦察飞行中，空气中竟然连片缕烟丝都没有。
But on a recent surveillance flight over the forest frontier in Brazil's state of para, there was hardly a wisp of smoke in the sky.
和本地居民一起协商，与敌人战斗，寻找失传的技术，侦察飞行，还有其他任务在等着你去完成！
Negotiations with indigenous people, battles with hostile fighters, search for lost technologies, reconnaissance flights and other tasks are waiting for you to accomplish!
遥控飞机，有的只有飞机模型那么大，有的则有美国的“捕食者”无人机和“全球鹰”无人侦察机那么大，例行地监测阳光穿过云层的情况，以及在飓风上方进行飞行。
Remotely operated planes, some the size of model airplanes and some the size of military Predators and Hawks, routinely monitor sunlight passing through clouds and fly over hurricanes.
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