; and (2) an Assistant Inspector General for Investigations, 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 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 reconstruction activities funded by such funds; (3) the monitoring and review of contracts funded by such funds; (4) the monitoring and review of the transfer of such funds and associated information between and among departments, agencies, and entities of the United States and private and nongovernmental entities; (5) the maintenance of records regarding the use of such funds to facilitate future audits and investigations of the use of such funds