the congressional defense committees a report on the plan required under subsection (a). Such report shall include the following information: (1) The number of CAF units required to meet steady-state, contingency, and wartime mission requirements for each mission area referred to in subsection (a). (2) The number of proficient aircrews each unit must maintain in order to be qualified and current in each such mission area. (3) The number of CAF units and aircrew personnel that, as of the date of the enactment of this Act, are trained and equipped to meet steady-state, contingency, and wartime mission requirements for each such mission area. (4) The location of any CAF unit and associated aircraft that have been designated to be proficient in such mission areas. (5) The minimum quantity of initial training and continuation training sorties and events aircrews will be required to achieve monthly and yearly to be qualified as proficient, current, and experienced in such mission areas. (6) Any other information, data, or analyses the Secretary determines relevant. (c) Limitation The Secretary of the Air Force may not reduce the total inventory of the Air Force of A-10 aircraft below 218 until the date that is 180 days after the date on which the Secretary submits the report required under subsection (b). (d) Definition of proficient In this section, the term proficient , with respect to an aircrew, means that such aircrew— (1) has thorough knowledge but occasionally may make an error of omission or commission