ADA354166_DarkStar-高空耐力无人机

DarkStar-High Altitude Endurance UAV by Harry A.Berman DARPA HAE UAV Program Office Defense Advanced Research Projects Agency Arlington,VA 22203 Presented at Unmanned Vehicles 97 Conference&Exhibition Paris,France 12-13 June 1997 19981007 033 ABSTRACT This paper describes the U.S.program to develop,test,and demonstrate the Tier 3-,DarkStar,High Altitude Endurance Unmanned Aerial Vehicle(HAE UAV).DarkStar is designed to provide continuous,timely,high resolution imagery products to the Warfighter.DarkStar is uniquely capable of extended surveillance over heavily defended territory.DarkStar is part of the HAE UAV program which also includes the Global Hawk UAV and a common ground segment which is interoperable with both UAVs.It is the combination of DarkStar,Global Hawk and other intelligence,surveillance and reconnaissance assets which will provide U.S.forces with the information dominance,central to future warfighting plans.DARPA is executing the program under Section 845 contracting authority.Air vehicle#1 completed one successful flight and had an accident on the takeoff of flight#2.The accident causes are now well understood.Subsystems and test procedure modifications are being i