This is a market research notice for potential repair and field services for the ALE-55 Fiber Optic Towed Decoy Subsystem, intended to support government requirements from Fiscal Year 2027 through 2029. The anticipated contract is a Cost Plus Fixed Fee type with a base year and two option years, aiming for an award date in February 2027. Performance of services is associated with the Naval Air Systems Command (NAVAIR) in Patuxent River, MD. Required capabilities include manufacturing, repair, engineering support, and handling classified information for this electronic countermeasure system, with companies needing to demonstrate access to necessary technical data. The notice identifies BAE Systems as the incumbent contractor for this follow-on requirement.