; and (v) include information relating to— (I) milestones and performance metrics that are specific to the biodefense mission and role of the Department described in clause (i); and (II) implementation of any operational changes necessary to carry out clauses (iii) and (iv). (4) Periodic update Beginning not later than 5 years after the issuance of the biodefense strategy and implementation plans required under paragraph (3), and not less often than once every 5 years thereafter, the Secretary shall review and update, as necessary, such strategy and plans. (5) Congressional oversight Not later than 30 days after the issuance of the biodefense strategy and implementation plans required under paragraph (3), the Secretary shall brief the Committee on Homeland Security and Governmental Affairs of the Senate and the Committee on Homeland Security of the House of Representatives regarding such strategy and plans. (c) Employee morale Not later than 180 days after the date of enactment of the Offices of Countering Weapons of Mass Destruction and Health Security Act of 2023 , the Office shall submit to and brief the appropriate congressional committees on a strategy and plan to continuously improve morale within the Office. (d) Comptroller General Not later than 1 year after the date of enactment of the Offices of Countering Weapons of Mass Destruction and Health Security Act of 2023 , the Comptroller General of the United States shall conduct a review of and brief the appropriate congressional committees on— (1) the efforts of the Office to prioritize the programs and activities that carry out the mission of the Office, including research and development; (2) the consistency and effectiveness of stakeholder coordination across the mission of the Department, including operational and support components of the Department and State and local entities