; (F) the estimated cost of sufficient construction necessary to initiate and sustain expected operations at such sites; and (G) such other information as the Secretary deems relevant. (d) Designation of strategic Arctic ports Not later than 90 days after the date on which the report required under subsection (c) is submitted, the Secretary of Defense, in consultation with the Chairman of the Joint Chiefs of Staff, the Commanding General of the United States Army Corps of Engineers, the Commandant of the Coast Guard, and the Administrator of the Maritime Administration, shall designate one or more ports as Department of Defense Strategic Arctic Ports from the sites identified under subsection (c)(2)(E). (e) Rule of construction Nothing in this section may be construed to authorize any additional appropriations for the Department of Defense for the establishment of any port designated pursuant to this section. (f) Arctic defined In this section, the term Arctic has the meaning given that term in section 112 of the Arctic Research and Policy Act of 1984 ( 15 U.S.C. 4111 ). 1042. Extension of National Security Commission on Artificial Intelligence (a) Extension Subsection (e) of section 1051 of the John S. McCain National Defense Authorization Act for Fiscal Year 2019 ( Public Law 115–232 ; 132 Stat. 1962) is amended by striking October 1, 2020 and inserting March 1, 2021 . (b) Reports Subsection (c) of such section is amended— (1) in paragraph (1), by striking Not later than 180 days after the date of the enactment of this Act and inserting Not later than August 1, 2019 ; (2) by redesignating paragraph (3) as paragraph (4)