; (2) enhance NATO anti-submarine warfare capabilities against Russia; (3) increase the numbers of modern sensors placed on NATO aircraft, submarines, and surface ships; or (4) enhance NATO capabilities to detect and deter Russian information operations. 308. United States person defined In this subtitle, the term United States person means— (1) a United States citizen or an alien lawfully admitted for permanent residence to the United States; and (2) an entity organized under the laws of the United States or of any jurisdiction within the United States, including a foreign branch of such an entity. B Imposition of Sanctions on Certain Russian Parastatal Entities 311. Imposition of sanctions on certain Russian parastatal entities (a) In general Not later than 30 days after the date of the enactment of this Act, the President shall impose the sanctions described in subsection (c) with respect to not less than five entities and including any individuals associated with such entities, that— (1) are identified as Russian parastatal entities in the report required by section 241(a)(2) of the Countering America’s Adversaries Through Sanctions Act ( Public Law 115–44 ; 131 Stat. 922) and submitted to Congress on January 29, 2018