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"Are the drones as effective as claimed? Air power has always over-sold itself as being cheap and deadly compared with ground forces. It was first used by the Italians in their colonial conquest of Libya in 1911. Britain's "Bomber" Harris, who led the RAF Bomber Command during its mass raids on Germany in the Second World War, cut his teeth devastating Kurdish villages in Iraq in the 1920s."
More: How Obama's drone wars make as many enemies as they kill
Does the word it refer to air power?