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 ...
