UCAS-D to Taxi Early Next Month

By Amy Butler, Guy Norris
Palmdale, Calif., Palmdale, Calif.

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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