The Pentagon's top procurement official has formally announced a "comprehensive restructuring" of the Joint Strike Fighter program, revealing that the Defense Department in November quietly initiated a review -- still under way -- that was "undertaken as though the JSF program was in Nunn-McCurdy breach." On Feb. 24, Pentagon acquisition executive Ashton Carter issued a four-page memo marking the culmination of a DOD-wide review of the F-35 that began last July and culminated in late December with Defense Secretary Robert...