; (4) to address gaps and deficiencies in the domestic production, conversion, enrichment, deconversion, and reduction of uranium by partnering with countries that are allies or partners of the United States if domestic options are not practicable; (5) to ensure that, in the event of a supply disruption in the nuclear fuel market, a reserve of nuclear fuels is available to serve as a backup supply to support the nuclear nonproliferation and civil nuclear energy objectives of the Department; (6) to support enrichment, deconversion, and reduction technology deployed in the United States; and (7) to ensure that, until such time that domestic enrichment and deconversion of high-assay, low-enriched uranium is commercially available at the scale needed to meet the needs of advanced nuclear reactor developers, the Secretary considers and implements, as necessary— (A) all viable options to make high-assay, low-enriched uranium produced from inventories owned by the Department available in a manner that is sufficient to maximize the potential for the Department to meet the needs and schedules of advanced nuclear reactor developers; and (B) all viable options for partnering with countries that are allies or partners of the United States to meet those needs and schedules. (d) Definitions In this section: (1) Advanced nuclear reactor The term advanced nuclear reactor has the meaning given the term in section 951(b) of the Energy Policy Act of 2005 ( 42 U.S.C. 16271(b) ). (2) Associated entity The term associated entity means an entity that— (A) is owned, controlled, or dominated by— (i) the government of a country that is an ally or partner of the United States; or (ii) an associated individual