; . (4) Conforming amendments Section 1766 of title 10, United States Code, is amended— (A) in subsection (b), by striking as determined by the Under Secretary of Defense for Research and Engineering and inserting as determined by the Secretary of Defense ; and (B) in subsection (c)(3), by striking as directed by the Under Secretary of Defense for Research and Engineering and inserting as directed by the Secretary of Defense . (b) Effective date and implementation (1) Effective date The amendments made by subsection (a) shall take effect 180 days after the date of the enactment of this Act. (2) Implementation Not later than the effective date specified in paragraph (1), the Secretary of Defense shall issue or modify any rules, regulations, policies, or other guidance necessary to implement the amendments made by subsection (a). (c) Manpower sufficiency evaluation (1) Evaluation The Secretary of Defense shall evaluate the staffing levels of the Defense Innovation Unit as of the date of the enactment of this Act to determine if the Unit is sufficiently staffed to achieve the responsibilities of the Unit under section 4127 of title 10, United States Code, as added by subsection (a) of this section. (2) Report Not later than the effective date specified in subsection (b)(1), the Secretary of Defense shall submit to the Committees on Armed Services of the Senate and the House of Representatives a report on the results of the evaluation under paragraph (1). The report shall include a plan— (A) to address any staffing shortfalls identified as a part of the assessment; and (B) for funding any activities necessary to address such shortfalls. 914. Repeal of authority to appoint a Naval Research Advisory Committee Section 8024 of title 10, United States Code, is repealed. 915. Eligibility of members of Space Force for instruction at the Naval Postgraduate School Section 8545 of title 10, United States Code, is amended— (1) in subsection (a)(1), by striking and Coast Guard and inserting Space Force, and Coast Guard