; or (2) the Secretary determines, and certifies to the congressional defense committees, that insertion of the new technology is required to meet an emerging threat and the Secretary of Defense certifies to those committees that such threat poses grave harm to national security. (d) Limitation on shipboard test program cost adjustment The Secretary of the Navy may use the authority under paragraph (6) of subsection (b) to adjust the amount set forth in subsection (a) for the aircraft carrier designated CVN–78 for reasons relating to an urgent and unforeseen requirement identified as a result of the shipboard test program only if— (1) the Secretary determines, and certifies to the congressional defense committees, that such requirement was not known before the date of the submittal to Congress of the budget for fiscal year 2020 (as submitted pursuant to section 1105 of title 31, United States Code); (2) the Secretary determines, and certifies to the congressional defense committees, that waiting on an action by Congress to raise the cost cap specified in subsection (a)(1) to account for such requirement will result in a delay in the date of initial operating capability of that ship