SINGAPORE - FEBRUARY 03: Northrop Grumman RQ-4 Global Hawk unmanned aerial vehicle (UAV) at Singapore Airshow February 03, 2010 in Singapore
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Royalty-free stock photo ID: 46116163

SINGAPORE - FEBRUARY 03: Northrop Grumman RQ-4 Global Hawk unmanned aerial vehicle (UAV) at Singapore Airshow February 03, 2010 in Singapore