The Pentagon is developing a new approach to intelligence, surveillance and reconnaissance that will reduce redundancy among the disparate armed services' unmanned aircraft systems, the Air Force's top officer said today. Air Force Chief of Staff Gen. Mark Welsh told reporters he "certainly" hopes the Quadrennial Defense Review and the fiscal year 2015 budget process will lead the services to eliminate duplicative capabilities. "We've been trying to do that," he said. "ISR is a good example. Because of the demands...