BAE Systems' ASTRAEA isn't a new concept -- the company's been playing up its unmanned potential for quite some time now -- but it's all seeming entirely less pie-in-the-sky now that the Farnborough Airshow has kicked off. Typically, UAVs are thought to be smaller, drone-type apparatuses; these things are typically used in military exercises where remote gunfire or reconnaissance is required. Clearly, it's about time someone asked the obvious: "Why?" Lambert Dopping-Hepenstal, Engineering Director Systems and Strategy, Military Air and Information at BAE and ASTRAEA Program Director recently spoke at the