The Air Force last fall reported a Nunn-McCurdy breach in its project to replace the MK21 fuze on the Minuteman III -- which has long-exceeded its originally envisioned 10-year service life -- cost growth caused by a defective part that is requiring the redesign of several components in the Air Force Intercontinental Ballistic Missile Fuze Modernization program. In September, the service advised Congress of a net increase of $313 million in research, development, test, evaluation as well as procurement costs...