DEFENSE  The U.S. Navy’s Northrop Grumman X-47B accomplished the first autonomous aerial refueling of an unmanned aircraft on April 22. Flying behind an Omega Boeing K-707 tanker off the U.S. East Coast, the probe-equipped unmanned combat air system demonstrator autonomously engaged the deployed drogue and took on 4,000 lb. of fuel. The test concluded the planned X-47B demo program.  Poland has selected Airbus Helicopters’ H225M as its future military utility ...

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