The U.S. Navy has quietly added new sea trials to its X-47B demonstration, but an actual hook-up and passing of gas through an automated aerial refueling (AAR) system remains an elusive goal. Navy ...
The U.S. Navy has conducted autonomous aerial refueling tests as a step toward a flight demonstration in 2014 using the Northrop Grumman X-47B unmanned combat air system (UCAS). In tests completed in ...
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