as primary mission aircraft inventory within the reserve components of the Air Force. (b) Primary mission aircraft inventory defined In this section, the term primary mission aircraft inventory has the meaning given that term in section 9062(i)(2)(B) of title 10, United States Code. 141. Limitation on issuance of acquisition strategy for the KC–135 recapitalization program The Secretary of the Air Force may not issue an acquisition strategy for the KC–135 recapitalization program until the date on which the Secretary submits to the congressional defense committees the following documentation: (1) An updated tanker roadmap timeline to include procurement of the Next Generation Air Refueling System. (2) The business case analysis of the Air Force for the KC–135 recapitalization program. (3) Validated requirements from the Joint Staff for the contract competition under the KC–135 recapitalization program. 142. Prohibition on certain reductions to inventory of E–3 airborne warning and control system aircraft (a) Prohibition Except as provided in subsections (b) and (c), none of the funds authorized to be appropriated by this Act or otherwise made available for fiscal year 2024 for the Air Force may be obligated or expended to retire, prepare to retire, or place in storage or in backup aircraft inventory any E–3 aircraft if such actions would reduce the total aircraft inventory of such aircraft below 16. (b) Exception for plan If the Secretary of the Air Force submits to the congressional defense committees a plan for maintaining readiness and ensuring there is no lapse in mission capabilities, the prohibition under subsection (a) shall not apply to actions taken to reduce the total aircraft inventory of E–3 aircraft to below 16, beginning 30 days after the date on which the plan is so submitted. (c) Exception for E–7 procurement If the Secretary of the Air Force procures enough E–7 Wedgetail aircraft to accomplish the required mission load, the prohibition under subsection (a) shall not apply to actions taken to