UCAS-D to Taxi Early Next Month
By Amy Butler, Guy Norris
Palmdale, Calif., Palmdale, Calif.
![](http://www.aviationweek.com/media/images/defense_images/UAVs/UCAS-NorthropGrumman.jpg)
Northrop Grumman plans to perform the first high-speed taxi of its X-47B unmanned combat air system (UCAS-D) demonstrator by the first week of December as a prelude to first flight by year-end at Edwards AFB, Calif.
The taxi test will take the stealthy, single-engine UCAS to 120 kt., according to company officials ...
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