aerial
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army
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autopilot
aviation
civilian
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concept
defense
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information
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man
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science
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teamwork
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uav
unmanned
warfare
white coat
定額
Two Aerospace Engineers Work On Unmanned Aerial Vehicle Drone Prototype. Aviation Scientists in White Coats Talking, Using Tablet Computer. Industrial Laboratory with Surveillance or Military Aircraftの素材 [FY310155290228]
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