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Helicopters take off during the five-day military exercise code-named "Vanguard-2010," across Henan and Shandong provinces, August 4, 2010. [Photo/Xinhua]
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![Helicopters take off during the five-day military exercise code-named 'Vanguard-2010,' across Henan and Shandong provinces, August 4, 2010.[Photo/Xinhua]](http://images.china.cn/attachement/jpg/site1007/20100805/001372a9a93f0dc44e3702.jpg "Helicopters take off during the five-day military exercise code-named")
