; and (2) in paragraph (7), by striking enter the product development phase and inserting enter the production phase . 1636. Limitation on availability of funds for Office of Cost Assessment and Program Evaluation until submission of missile defense roles and responsibilities report Of the funds authorized to be appropriated for fiscal year 2024 by section 301 for operation and maintenance, Defense-wide, and available 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 ). 1637. Integrated air and missile defense architecture for the Indo-Pacific region (a) Strategy required The Commander of United States Indo-Pacific Command shall, in coordination with the Under Secretary of Defense for Acquisition and Sustainment, 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, develop a comprehensive strategy for developing, acquiring, and operationally establishing an integrated air and missile defense architecture for the United States Indo-Pacific Command area of responsibility. (b) Strategy components At a minimum, the strategy required by subsection (a) shall address the following: (1) The sensing, tracking, and intercepting capabilities required to address the full range of credible missile threats to— (A) the Hawaiian Islands; (B) the island of Guam and other islands in the greater Marianas region, as determined necessary by the Commander of United States Indo-Pacific Command; (C) other United States territories within the area of responsibility of United States Indo-Pacific Command