| Summary/Abstract |
High operational reliability is an essential prerequisite for UAVs. A good engine is the most difficult aspect in the designing of a UAV. Designers have to make sure that the engine can support the airframe and the UAV has a low signature through low vibration. It should be able to support long-endurance missions over the target. Another area of operational reliability for a UAV comes from its airframe, which should be able to support the mission in all types of conditions, especially rough weather. There is a flipside to the development of the drones globally. A recent report by the Rand Corporation warned that, in the future, terrorist groups might be able to buy small, armed drones, “Smaller systems could become the next IEDs – low-cost, low-tech weapons that are only of limited lethality individually but can cause considerable attrition when used in large numbers over time.”
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