Another delay for the Northrop Grumman-built X-47B unmanned combat air system demonstrator (UCAS-D) has pushed back first flight to December and sea trials to 2013, but the program manager told Inside the Navy today he believes the program is now on track. Last November, Naval Air Systems Command announced that first flight would be delayed until early 2010. Capt. Jeffrey Penfield, UCAS program manager, said in an interview that a review of the program was conducted in the spring...
