; (ii) the chairs of the Committee on Armed Services and the Committee on Foreign Affairs of the House of Representatives; (iii) the majority leader of the Senate; and (iv) the Speaker of the House of Representatives. (B) Of the members of the Group, one co-chair shall be jointly designated by— (i) the ranking minority members of the Committee on Armed Services and the Committee on Foreign Relations of the Senate; (ii) the ranking minority members of the Committee on Armed Services and the Committee on Foreign Affairs of the House of Representatives; (iii) the minority leader of the Senate; and (iv) the minority leader of the House of Representatives. (3) Period of appointment A member shall be appointed for the life of the Group. (4) Vacancies Any vacancy in the Group shall be filled in the same manner as the original appointment. (d) Duties (1) Review The Group shall conduct a review on the current United States military and diplomatic strategy with respect to the conflict in Syria that includes a review of current United States objectives in Syria and the desired end state in Syria. (2) Assessment and recommendations The Group shall— (A) conduct a comprehensive assessment of the current situation in Syria, the impact of such situation on neighboring countries, the resulting regional and geopolitical threats to the United States, and current military, diplomatic, and political efforts to achieve a stable Syria