; and (B) includes the dissemination of unclassified publications and resources for identifying and protecting against emerging threats to academic research institutions, including specific counterintelligence guidance developed for faculty and academic researchers based on specific threats. . 6231. Prohibition on availability of funds relating to sovereignty of the Russian Federation over Crimea The text of subsection (a) of section 1231 is hereby deemed to read as follows: (a) Prohibition None of the funds authorized to be appropriated by this Act for fiscal year 2020 for the Department of Defense may be obligated or expended to implement any activity that recognizes the sovereignty of the Russian Federation over Crimea, and the Department may not otherwise implement any such activity. . 6236. Limitation on transfer of F–35 aircraft to the Republic of Turkey The text of subsection (a) of section 1236 preceding paragraph (1) is hereby deemed to read as follows: (a) Limitation Except as provided in subsection (b), none of the funds authorized to be appropriated by this Act for fiscal year 2020 for the Department of Defense, may be used to do the following, and the Department may not otherwise do the following: . LXIV Other Authorizations 6401. Assessment of rare earth supply chain issues (a) In general Not later than 180 days after the date of the enactment of this Act, the Secretary of Defense, acting through the Defense Logistics Agency, shall submit to Congress a report assessing issues relating to the supply chain for rare earth materials. (b) Elements The report required by subsection (a) shall include the following: (1) An assessment of the rare earth materials in the reserves held by the United States. (2) A estimate of the needs of the United States for such materials— (A) in general