FARNBOROUGH, ENGLAND -- Northrop Grumman could have three Airbus A330 system design and development aircraft built and ready for tanker modifications by the time the Pentagon awards the multibillion-dollar KC-X contract. During an interview with InsideDefense.com at the Farnborough Air Show, Bill Welser, Northrop's vice president of business development for air mobility systems, said two aircraft are built and have flown and the other two are scheduled for completion in October and January 2009, respectively. "Our expectation is that we...