; and (3) promote information regarding career choices, including opportunities in the reserve components, to optimize the ability of a participating member to make informed career choices from accession to retirement. (c) Evaluation metrics The Secretary shall establish and maintain metrics to evaluate the effectiveness of the program under this section. . (2) Clerical amendment The table of sections at the beginning of chapter 107 of such title is amended by at the end the following new item: 2158. Mentoring and career counseling program. . (b) Interim report (1) Report required Not later than 120 days after the date of the enactment of this Act, the Secretary of Defense shall submit to the congressional defense committees a report on the implementation of section 2158 of title 10, United States Code, as added by subsection (a). (2) Elements The report under paragraph (1) shall include the following: (A) A description and assessment of the manner in which the Department of Defense shall implement the program under subsection (a) of such section 2158. (B) The initial evaluation metrics developed under subsection (c) of such section 2158. (C) An explanation of whether the program will be carried out as part of another program of the Department or through the establishment of a separate program. (D) A comprehensive description of the additional personnel, resources, and training that will be required to implement the program, including identification of the specific number of additional billets that will be needed to staff the program. (E) Recommendations of the Secretary for additional legislation that the Secretary determines necessary to effectively and efficiently implement the program. (c) Annual report (1) Report required Not later than October 1, 2022, and annually thereafter for three years, the Secretary of Defense shall submit to the congressional defense committees a report on the program under section 2158 of title 10, United States Code, as added by subsection (a). (2) Elements Each report under