and the Committee on Homeland Security and Governmental Affairs and the Committee on Appropriations of the Senate on the feasibility of the Director developing model exercises to test the preparedness of jurisdictions participating in the Securing the Cities program under section 1908 of the Homeland Security Act of 2002 (as added by section 2 of this Act) in meeting the challenges that may be posed by a range of nuclear and radiological threats. 4. No additional funds authorized No additional funds are authorized to carry out the requirements of this Act and the amendments made by this Act. Such requirements shall be carried out using amounts otherwise authorized.