; (B) such long-lead components have successfully completed knowledge points, technical milestones, and production readiness reviews; and (C) the long-lead procurement will be conducted in a manner that maximizes co-production in the United States without incurring nonrecurring engineering activity or cost other than such activity or cost required for suppliers of the United States to start or restart production in the United States. (d) Number In carrying out paragraph (2) of subsection (b) and paragraph (2) of subsection (c), the Under Secretary may submit— (1) one certification covering both the David's Sling Weapon System and the Arrow 3 Upper Tier Interceptor Program