; (iii) propose corrective action to address the underlying cause or causes of the breach as identified in clause (ii); (iv) explain the rationale for why a proposed corrective action is recommended compared to other options considered; and (v) identify the estimated impact on program cost, schedule, and performance goals of implementing the proposed corrective action, and the extent to which funding from other programs will need to be reduced to cover the cost growth of such program. (3) Review of remediation plans (A) In general The Under Secretary for Management shall review the remediation plan required under paragraph (2). The Under Secretary may approve such plan or provide an alternative proposed corrective action, including cancelling the program, within 30 days of the submission of such plan under such paragraph. Programs that submit a breach notification to the Secretary pursuant to subsection (a)(1)(B) shall pause all activities other than those necessary to develop the remediation plan required under subsection (a)(2)(B) until the Under Secretary for Management approves such a plan or provides alternative corrective actions for the program. (B) Documentation The Under Secretary for Management shall document the result of the review required under subparagraph (A) in an acquisition decision memorandum. If the program is approved to continue, the Under Secretary for Management shall certify in the acquisition decision memorandum that— (i) such program is essential to the accomplishment of the Department’s mission; (ii) there are no alternatives to the capability or asset provided by such program that will provide equal or greater capability in both a more cost-effective and timely manner; (iii) the estimated impact on program cost, schedule, and performance goals of implementing the proposed corrective action are reasonable