Deputy Defense Secretary Gordon England has directed the Air Force, Navy and Marine Corps to all but disregard a recent assessment by a highly esteemed team of military cost estimators that concludes the Joint Strike Fighter program requires two additional years of testing and development -- and a staggering $15 billion more than is currently programmed over the next six years. Instead, the Pentagon's No. 2 official -- after much high-level debate this fall over about how to proceed with...