The Defense Department has completed a new road map intended to guide future development of its quickly expanding inventory of unmanned aerial vehicles. The 231-page document calls for the U.S. military to develop a wide-range of new capabilities -- from ensuring control of weapons carried on unmanned aerial vehicles, developing an unmanned aircraft that can conduct missions executed today by fighter aircraft and crafting policies and procedures to allow military unmanned aircraft to fly in unrestricted domestic airspace. The "Unmanned...