The demands of wars in Iraq and Afghanistan are behind a new push by the Pentagon to increase the ranks of one of its most tireless fighting machines: remote-controlled attack aircraft called Unmanned Aerial Vehicles, or UAVs. The U.S. military in recent months has doubled its squadrons of the small, quiet and deadly drones, which are operated by pilots in the United States. Gen. David Petraeus, the top U.S. commander in Iraq, praised the work of the Predator UAVs flying over Baghdad. (source: edition.cnn.com)
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