The F-35 Lightning II Joint Program Office (JPO) intends to solicit and negotiate multiple contract actions with Pratt & Whitney Military Engines, East Hartford, CT for Lightning II Lots 20-22 F135 Propulsion System requirements. Beginning with long lead-time materials, the proposed contract actions will provide for a target of 109 F-35A variant propulsion systems, 29 F-35B variant propulsion systems, and 14 F-35C variant propulsion systems in lot 20; target 122 F-35A variant propulsion systems, 25 F-35B variant propulsion systems, and 17 F-35C variant propulsion systems in lot 21; target 110 F-35A variant propulsion systems, 30 F-35B variant propulsion systems, and 14 F-35C variant propulsion systems in lot 22 (or such other quantities as may be authorized and appropriated by Congress or authorized by the respective Ministries of Defense or Foreign Military Sales (FMS) customers). These lots include associated support equipment, support of propulsion system contractor manufacturing operations; production non-recurring (PNR) activities to support the JSF Propulsion System production ramp rate to include special tooling, special test equipment, production aids, and production equipment; initial spare engines, modules and parts; and technical, financial, administrative data; and proposal preparation. Contract actions will also provide for associated sustainment support including additional supplies and services for diminishing manufacturing sources (DMS) procurements, retrofit efforts required to update propulsion systems to newer configurations, Engineering Change Proposals (ECPs), and government furnished equipment (GFE) maintenance. The proposed contract actions are for suppliers or services for which the Government intends to solicit and negotiate with Pratt & Whitney, Military Engines under authority of FAR 6.302-1. The notice of intent is not a request for competitive proposals. However, an interested party may submit a capability statement for the Government’s evaluation in determining whether to initiate a competitive procurement. All responses received by the Government within fifteen days after date of publication of this synopsis will be considered by the Government. A determination by the Government not to compete these proposed contract actions based upon responses to this notice is solely within the discretion of the Government. Any parties interested in subcontracting will be referred to the Pratt & Whitney Supplier Diversity Manager, Mr. Francisco F. Vasquez, at Francisco.Vasquez@prattwhitney.com for submittal of supplier's electronic brochures and capability. Questions and responses regarding this notice should be addressed to Ethan Urey via e-mail at ethan.urey@jsf.mil. The anticipated contract award is currently estimated in Q2 of CY26.