How Lasers Turn Dumb Rockets Into $28,500 Smart Missiles

70mm Hydra rockets have been a mainstay of the US military since the 1940s. They're less expensive and cause less collateral damage than, say, a Hellfire-sized ordnance. Problem is—they don't steer well, or rather, at all. A new laser-guidance upgrade from BAE Systems, however, is poised to make the Hydra-70 much… » 8/14/12 11:30am 8/14/12 11:30am