; and (2) information about the location of storage of such items and components. (f) Definitions In this section: (1) The term long-lead item or component means a material, component, or subsystem of a munition that must be procured well in advance of the need for such munition. (2) The terms service acquisition executive and military department have the meanings given, respectively, in section 101 of title 10, United States Code. D Plans, Reports, and Other Matters 251. Congressional notification of changes to Department of Defense policy on autonomy in weapon systems Not later than 30 days after making a modification to Department of Defense Directive 3000.09 (relating to autonomy in weapon systems) the Secretary of Defense shall provide to the congressional defense committees a briefing that includes— (1) a description of the modification; and (2) an explanation of the reasons for the modification. 252. Audit to identify diversion of Department of Defense funding to China’s research labs (a) In general Not later than 180 days after the date of the enactment of this Act, the Inspector General of the Department of Defense shall conduct a study, and submit a report to the congressional defense committees, regarding the amount of Federal funds awarded by the Department of Defense (whether directly or indirectly) through grants, contracts, subgrants, subcontracts, or any other type of agreement or collaboration, during the 10-year period immediately preceding such date of enactment, that— (1) was provided, whether purposely or inadvertently, to— (A) the People’s Republic of China; (B) the Communist Party of China; (C) the Wuhan Institute of Virology or any other organization administered by the Chinese Academy of Sciences; (D) EcoHealth Alliance Inc. for work performed in China on research supported by the Government of China, including any subsidiaries and related organizations that are directly controlled by EcoHealth Alliance, Inc.