| http://www.w3.org/ns/prov#value | - We have operational goals as well as safety issues that we must consider when planning to expand the use of unmanned aircraft.As the provider of air traffic services, we must ensure the safety and efficiency of the entire airspace, including all aircraft, people and property ??? both manned and unmanned ??? in the air and on the ground.Unmanned aircraft are inherently different from manned aircraf
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