; and (B) the need for continued oversight to ensure integration into joint-force air and missile defense capabilities. 1668. Limitation on availability of funds for Office of Cost Assessment and Program Evaluation until submission of report on missile defense roles and responsibilities Of the funds authorized to be appropriated by this Act or otherwise made available for fiscal year 2024 for operation and maintenance, Defense-wide, for the Office of Cost Assessment and program evaluation, not more than 50 percent may be obligated or expended until the date on which the Secretary of Defense submits to the congressional defense committees the report required by section 1675(b) of the National Defense Authorization Act for Fiscal Year 2022 ( Public Law 117–81 ). 1669. Strategy for integrated air and missile defense of Hawaii and the Indo-Pacific region (a) Strategy (1) In general The Commander of United States Indo-Pacific Command, in coordination with the Under Secretary of Defense for Acquisition and Sustainment, the Under Secretary of Defense for Policy, the Commander of United States Northern Command, the Director of the Missile Defense Agency, and the Director of the Joint Integrated Air and Missile Defense Organization, shall develop a comprehensive strategy for developing, acquiring, and operationally establishing an integrated air and missile defense architecture for area of responsibility of the United States Indo-Pacific Command. (2) Strategy components At a minimum, the strategy required by paragraph (1) shall address each of the following: (A) The sensing, tracking, and intercepting capabilities required to address the full range of credible missile threats to— (i) the Hawaiian Islands; (ii) the island of Guam and other islands in the greater Marianas region, as determined necessary by the Commander of United States Indo-Pacific Command; (iii) other territories of the United States located within the area of responsibility of the United States Indo-Pacific Command