The Department of Defense, specifically the Department of the Air Force, is seeking a contractor to provide a sole source service for the F-35 Tech Refresh 2 (TR-2) related to the Aircraft Electro-Optical Targeting Systems (EOTS) Operational Flight Program (OFP). The objective of this contract is to identify the necessary requirements, tasks, data, deliverables, and infrastructure needed to facilitate the TR-2, which will involve three Technical Interchange Meetings (TIM) to gather technical data for developing an organic OFP. This service is critical for ensuring the operational effectiveness and modernization of the F-35 targeting systems. Interested parties can reach out to Patrick Hulett at patrick.hulett@us.af.mil or Valerie Evans at valerie.evans.1@us.af.mil for further information regarding this presolicitation opportunity.