; and (iii) take into account different mission requirements. (C) Report The Secretary shall include in the Department’s next annual performance report required under current law the results of the determination under this paragraph. (9) Definitions In this subsection: (A) Component head The term component head means the head of any component of the Department with a vehicle fleet. (B) Excess vehicle The term excess vehicle means any vehicle that is not essential to support mission requirements of a component. (C) Optimal fleet size The term optimal fleet size means, with respect to a particular component, the appropriate number of vehicles to support mission requirements of such component. (D) Vehicle fleet The term vehicle fleet means all owned, commercially leased, or Government-leased vehicles of the Department or of a component of the Department, as the case may be, including vehicles used for law enforcement and other purposes. . 3. GAO report and Inspector General review (a) GAO report Not later than 1 year after the date of the enactment of this Act, the Comptroller General of the United States shall submit to the Committee on Homeland Security of the House of Representatives and the Committee on Homeland Security and Governmental Affairs of the Senate a report on the following: (1) The status of efforts at achieving a capability to collect automated information as required under subsection (c)(3) of section 701 of the Homeland Security Act of 2002 ( 6 U.S.C. 341 ), as added by section 2 of this Act, and any challenges that remain with respect to achieving the capability to collect, assess, and report vehicle fleet (as such term in defined in subsection (c)(9) of such section 701) data for the purpose of determining vehicle utilization. (2) The extent to which the Under Secretary for Management has identified and addressed any relevant security concerns, including cybersecurity risks, related to such automation. (3) The extent to which the Under Secretary collects, assesses, and reports on vehicle fleet