; (B) advise the Secretary, Deputy Secretary, and Associate Secretary on Department strategy, operations, and guidance; and (C) consider and report on such other matters as the Secretary, Deputy Secretary, or Associate Secretary may direct. (3) Relationship to other forums The Secretary, Deputy Secretary, or Associate Secretary may delegate the authority to direct the implementation of any decision or guidance resulting from the action of a Department leadership council to any office, component, coordinator, or other senior official of the Department. (b) Joint Requirements Council (1) Definition of joint requirement In this subsection, the term joint requirement means a condition or need of more than one operating components of the Department that is required to be met or possessed by a system, product, or service to satisfy an operational mission. (2) Establishment The Secretary shall establish within the Department a Joint Requirements Council. (3) Mission In addition to other matters assigned to the Joint Requirements Council by the Secretary, Deputy Secretary, or the Associate Secretary, the Joint Requirements Council shall— (A) develop Department-wide policies for identifying, validating, and prioritizing capability gaps and requirements that reduce duplication and increase opportunities for efficiencies in meeting mission needs of the Department; (B) assess and validate proposed capability gaps and requirements for all acquisition programs, to ensure alignment with the Department’s strategic goals, and that requirements are well-defined, measurable, achievable, and cost-informed; (C) implement portfolio reviews to identify common capability gaps or mission needs among components to harmonize investments and prevent unnecessary overlap and duplication among components; and (D) assist with developing joint requirements for any common capability gaps or mission needs identified under subparagraph (C)