Act, the Secretary of the Air Force shall submit to the congressional defense committees a report on the advisability of establishing within the Department of the Air Force a position of Under Secretary of the Air Force for Space with the responsibility of providing civilian oversight to the United States Space Force (as provided for by section 1604 of this Act). (b) Considerations In preparing the report required by subsection (a), the Secretary shall take into consideration the tasks and operations of the staff of the Air Force in support of the space warfighting mission of the Air Force and such other matters as the Secretary considers appropriate. 1607. Report on enhanced integration of capabilities of the National Security Agency, the National Geospatial-Intelligence Agency, and the United States Space Command for joint operations Not later than 180 days after the date of the enactment of this Act, the Secretary of Defense shall, in coordination with the Director of National Intelligence, submit to the congressional defense committees a report setting forth the results of a review, conducted for purposes of the report, on processes designed to achieve more effective integration of capabilities among the National Security Agency, the National Geospatial-Intelligence Agency, and the United States Space Command for joint operations in a manner that does not result in the impairment of the authorities or responsibilities of the Director. 1608. Limitation on availability of funds None of the amounts authorized to be appropriated for fiscal year 2020 by this Act and available for the Air Force for programs, projects, or activities for space, including acquisition programs, projects, or activities, may be obligated or expended until the date on which the Secretary of the Air Force completes briefings of the congressional defense committees on the plans of the Air Force to implement this part and the amendments made by this part, including the following: (1) The establishment of the office of the Principal