; and (2) to request such information or assistance as may be necessary for carrying out those duties from any Federal, State, or local governmental agency or unit thereof. . (b) Clerical amendment The table of sections at the beginning of chapter 1101 of such title is amended by adding at the end the following new item: 10509. Office of Complex Investigations. . C General Service Authorities 516. Report on policies for regular and reserve officer career management (a) Report required Not later than March 1, 2018, the Secretary of Defense shall submit to the Committees on Armed Services of the Senate and the House of Representatives a report setting forth the results of a review, undertaken by the Secretary for purposes of the report, of the policies of the Department of Defense for the career management of regular and reserve officers of the Armed Forces pursuant to the Defense Officer Personnel Management Act (commonly referred to as DOPMA ) and the Reserve Officer Personnel Management Act (commonly referred to as ROPMA ). (b) Elements The report required by subsection (a) shall include recommendations for the following: (1) Mechanisms to increase the ability of officers to repeatedly transition between active duty and reserve active-status throughout the course of their military careers. (2) Mechanisms to provide the Armed Forces additional flexibility in managing the populations of officers in the grades of major, lieutenant colonel, and colonel and Navy grades of lieutenant commander, commander, and captain. (3) Mechanisms to use the modernized retirement system provided by part I of subtitle D of title VI of the National Defense Authorization Act for Fiscal Year 2016 ( Public Law 114–92 ) to encourage officers to pursue careers of lengths that vary from the traditional 20-year military career. (4) Mechanisms to provide for alternative career tracks for officers that encourage and facilitate the recruitment and retention of officers with technical expertise. (5) Mechanisms for a career and promotion path for