; and (2) the Assistant Inspector General for Investigations appointed pursuant to section 1229(d)(2) of the National Defense Authorization Act for Fiscal Year 2008 ( Public Law 110–181 ), who shall supervise the performance of investigative activities relating to the programs and operations described in paragraph (1). 6. Supervision (a) In general Except as provided in subsection (b), the Special Inspector General shall report directly to, and be under the general supervision of, the Secretary of State and the Secretary of Defense. (b) Independence To conduct investigations and audits No officer of the Department of Defense, the Department of State, the United States Agency for International Development, or any other relevant Federal agency may prevent or prohibit the Special Inspector General from— (1) initiating, carrying out, or completing any audit or investigation related to amounts appropriated or otherwise made available for the military, economic, and humanitarian aid to Ukraine; or (2) issuing any subpoena during the course of any such audit or investigation. 7. Duties (a) Oversight of military, economic, and humanitarian aid to ukraine provided after February 24, 2022 In addition to any duties previously carried out as the Special Inspector General for Afghanistan Reconstruction, the Special Inspector General shall conduct, supervise, and coordinate audits and investigations of the treatment, handling, and expenditure of amounts appropriated or otherwise made available for military, economic, and humanitarian aid to Ukraine, and of the programs, operations, and contracts carried out utilizing such funds, including— (1) the oversight and accounting of the obligation and expenditure of such funds; (2) the monitoring and review of activities funded by such funds; (3) the monitoring and review of contracts funded by such funds