Lockheed Martin and the F-35 Joint Program Office have agreed that F-35 production will peak at 156 jets per year in 2023 and remain at that level "for the foreseeable future." The "re-baselining" of the program is meant to ensure predictability and stability in production.
The Air Force wants to use propulsion developed under the Adaptive Engine Technology Program in the F-35A but may not be able to afford doing so on its own if the Navy doesn't also underwrite some of the integration effort, Department of the Air Force ...