; (iv) attacked vessels in the Red Sea; or (v) prohibited or otherwise restricted, directly or indirectly, the transport or delivery of humanitarian or commercial shipments to and within Yemen; and (2) the Comptroller General of the United States, not later than 45 days after the submission of the certification under paragraph (1), submits a written, unclassified report to the appropriate congressional committees assessing the responsiveness, completeness, and accuracy of such certification. (d) Classified briefing If the Secretary of State and the Secretary of Defense determine that Ansar Allah has engaged in any of the actions described in subsection (c)(1)(C), the Secretary of State and the Secretary of Defense shall provide a classified briefing to the appropriate congressional committees not later than 10 days after submitting the certification under subsection (c)(1) to provide details to support such determination. 106. Prohibition on in-flight refueling of Saudi coalition aircraft operating in Yemen (a) In general No Federal funds may be obligated or expended under section 2342 of title 10, United States Code, or under any other applicable statutory authority, to provide in-flight refueling of Saudi or Saudi-led coalition non-United States aircraft conducting missions as part of the ongoing civil war in Yemen. (b) Report required Not later than 30 days after the date of the enactment of this Act, and every 30 days thereafter, the Secretary of Defense shall submit a report to the appropriate congressional committees detailing— (1) the expenses incurred by the United States in providing in-flight refueling services for Saudi or Saudi-led coalition non-United States aircraft conducting missions as part of the civil war in Yemen between March 2015 and November 11, 2018