; (B) countering the transport, assembly, or employment of ballistic missiles or components in Yemen; (C) helping coalition aircraft return safely to base in emergency situations; (D) force protection of United States aircraft, ships, or personnel; or (E) freedom of navigation for United States military and international commerce. (2) Waiver The Secretary may waive the restriction in paragraph (1) with respect to a particular certification if the Secretary— (A) certifies to the appropriate committees of Congress that the waiver is in the national security interests of the United States; and (B) submits to the appropriate committees of Congress a report, in written and unclassified form, setting forth— (i) the effort in subsection (c)(1), measures in subsection (c)(2), or actions in subsections (c)(3) or (c)(4), or combination thereof, about which the Secretary is unable to make the certification; (ii) a detailed explanation why the Secretary is unable to make the certification about such effort, measures, or actions; (iii) a description of the actions the Secretary is taking to encourage the Government of Saudi Arabia to undertake such effort, measures, or actions; and (iv) a detailed justification for the waiver. (b) Reporting requirement Not later than 30 days after the date of the enactment of this Act, the President or the President’s designee shall provide a briefing to the appropriate committees of Congress including, at a minimum— (1) a description of Saudi Arabia and the United Arab Emirates’ military and political objectives in Yemen and whether United States assistance to the Saudi-led coalition has resulted in significant progress towards meeting those objectives