By Andy Pasztor
Wall Street Journal abstract

Industry and government officials at Farnborough International Airshow in England say that significant commercial uses for unmanned aircraft are not expected to emerge for at least another decade because of regulatory and technical challenges; unmanned aircraft are rapidly becoming mainstays of military and border-security operations worldwide; worldwide demand for unmanned aircraft and related systems is projected to exceed $17 billion between now and 2017 (M)

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