; (vi) increased proliferation resistance; (vii) increased thermal efficiency; (viii) reduced consumption of cooling water and other environmental impacts; (ix) the ability to integrate into electric applications and nonelectric applications; (x) modular sizes to allow for deployment that corresponds with the demand for electricity or process heat; and (xi) operational flexibility to respond to changes in demand for electricity or process heat and to complement integration with intermittent renewable energy or energy storage; (B) a fusion reactor; and (C) a radioisotope power system that utilizes heat from radioactive decay to generate energy. (2) Ally or partner nation The term ally or partner nation means— (A) the Government of any country that is a member of the Organisation for Economic Co-operation and Development; (B) the Government of the Republic of India; and (C) the Government of any country designated as an ally or partner nation by the Secretary of State for purposes of this Act. (3) Assistant The term Assistant means the Assistant to the President and Director for International Nuclear Energy Policy described in section 2(a)(1)(D). (4) Associated entity The term associated entity means an entity that— (A) is owned, controlled, or operated by— (i) an ally or partner nation; or (ii) an associated individual; or (B) is organized under the laws of, or otherwise subject to the jurisdiction of, a country described in paragraph (2), including a corporation that is incorporated in a country described in that paragraph. (5) Associated individual The term associated individual means a foreign national who is a national of a country described in paragraph (2). (6) Civil nuclear The term civil nuclear means activities relating to— (A) nuclear plant construction; (B) nuclear fuel services; (C) nuclear energy financing; (D) nuclear plant operations; (E) nuclear plant regulation; (F) nuclear medicine; (G) nuclear safety; (H) community engagement in areas in reasonable proximity to nuclear sites