649a . (b) Report (1) In general Not later than 180 days after the date of the enactment of this Act, the Secretary of Defense shall, in consultation with the Secretaries of the military departments, submit to the Committees on Armed Services of the Senate and the House of Representatives a report on the authorities in subchapter VI of chapter 36 of title 10, United States Code (as added by subsection (a)). (2) Elements The report shall include the following: (A) A detailed analysis and assessment of the manner in which the exercise of the authorities in subchapter VI of chapter 36 of title 10, United States Code (as so added), will effect the career progression of commissioned officers in the Armed Forces. (B) A description of the competitive categories of officers that are anticipated to be designated as competitive categories of officers for purposes of such authorities. (C) A plan for implementation of such authorities. (D) Such recommendations for legislative or administrative action as the Secretary of Defense considers appropriate to improve or enhance such authorities. 511. Applicability to additional officer grades of authority for continuation on active duty of officers in certain military specialties and career tracks Section 637a(a) of title 10, United States Code, is amended— (1) by striking grade O–4 and inserting grade O–2