Five years ago, the Sikorsky UH-60 Black Hawk helicopter got a digital cockpit and fly-by-wire controls. Starting in 2011, the US Army would like it to perform missions without a pilot at the helm. In a 140-page "Unmanned Aircraft Systems Roadmap" released earlier this month, the Armed Forces reveal that the UH-60, AH-64, CH-47 and OH-58D whirlybirds will all be part of a new aircraft category called Optionally Piloted Vehicles (OPV) -- meaning in future, the flick of a switch will turn them into giant
