; and (2) by adding at the end the following new subsection: (h) In this section, the term appropriate committees of Congress means— (1) the Committee on Armed Services and the Committee on Foreign Relations of the Senate; and (2) the Committee on Armed Services and the Committee on Foreign Affairs of the House of Representatives. . 1262. Extension of authority for transfer of amounts for Global Engagement Center Section 1287(e)(1) of the National Defense Authorization Act for Fiscal Year 2017 ( Public Law 114–328 ; 130 Stat. 2546; 22 U.S.C. 2656 note) is amended— (1) in subparagraph (A), by striking and at the end; (2) in subparagraph (B), by striking the period at the end and inserting ; and ; and (3) by adding at the end the following new subparagraph: (C) for fiscal year 2019 are less than $80,000,000, the Secretary of Defense is authorized to transfer, from amounts authorized to be appropriated by an Act authorizing funds for the Department of Defense for fiscal year 2019, to the Secretary of State an amount, not to exceed $60,000,000, to be available to carry out the functions of the Center for fiscal year 2019. . 1263. Sense of Senate on purchase by Turkey of S–400 air defense system It is the sense of the Senate that if the Republic of Turkey purchases the S–400 air defense system from the Russian Federation— (1) such purchase would constitute a significant transaction within the meaning of section 231(a) of the Countering Russian Influence in Europe and Eurasia Act of 2017 (title II of Public Law 115–44 ; 22 U.S.C. 9525(a) )