(Editor's Note: This story has been updated to reflect additional information provided by an Air Force spokesman.) Engineering problems encountered with the KC-46 tanker's integrated fuel system will delay a low-rate initial production decision, according to the Air Force. Prime contractor Boeing and the Air Force expected a milestone C decision for the KC-46 Pegasus in the summer of 2016. However, as first reported by Bloomberg, the service expects that decision could be delayed by as much as seven...