; (5) the termination of the participation of Turkey in the F–35 program and supply chain, which may still be avoided if the Government of Turkey abandons its planned acquisition of the S–400 air defense system, would cause significant harm to the growing defense industry and economy of Turkey; and (6) if the Government of Turkey accepts delivery of the S–400 air defense system— (A) such acceptance would— (i) constitute a significant transaction within the meaning of section 231(a) of the Countering Russian Influence in Europe and Eurasia Act of 2017 ( 22 U.S.C. 9525(a) ); (ii) endanger the integrity of the North Atlantic Treaty Organization Alliance and pose a significant threat to Turkey; (iii) adversely affect ongoing operations of the United States Armed Forces, including coalition operations in which the United States Armed Forces participate; (iv) result in a significant impact to defense cooperation between the United States and Turkey; and (v) significantly increase the risk of compromising United States defense systems and operational capabilities; and (B) the President should fully implement the Countering Russian Influence in Europe and Eurasia Act of 2017 ( Public Law 115–44