; (2) by redesignating subsection (c) as subsection (d); and (3) by inserting after subsection (b) the following: (c) (1) With respect to examinations of liquefied natural gas tank vessels and vessels that carry bulk liquefied gases as cargo, including examinations under section 153.808 and part 154 of title 46, Code of Federal Regulations (as in effect on the date of enactment of the Coast Guard Authorization Act of 2023 ), the Secretary may adopt a risk-based examination schedule to which such vessels are to be examined and the frequency with which such examinations occur. (2) The Secretary may not adopt a risk-based examination schedule under paragraph (1) until the Secretary has— (A) received and reviewed the National Academies study required under section 8254(b) of the William M. (Mac) Thornberry National Defense Authorization Act for Fiscal Year 2021 ( Public Law 116–283 ); (B) conducted the assessment recommended in the Government Accountability Office report submitted under section 8254(a) of such Act; (C) concluded through such assessment that a risk-based examination schedule provides not less than the level of safety provided by the annual examinations required under subsection (a)(1); and (D) provided the results of such assessment to the Committee on Transportation and Infrastructure of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate. . E Other Matters 341. Anchor handling activities Section 12111(d)(1) of title 46, United States Code, is amended— (1) in subparagraph (A) by inserting or other energy production or transmission facility, or vessel engaged in the launch, recovery, or support of commercial space transportation or space exploration activities after drilling unit