The Department of Defense, specifically the Department of the Air Force, is conducting a Sources Sought notice to identify potential sources for an Indefinite Delivery Indefinite Quantity (IDIQ) contract focused on the improvement of Secondary Power Systems (SPS) and Small Gas Turbine Engines (GTE) through a Component Improvement Program (CIP). The primary objective is to enhance the safety, reliability, and maintenance of these critical systems utilized in military aircraft, including platforms such as the F-15, F-16, and C-130. Interested parties, particularly small businesses including those that are 8(a), Service-Disabled Veteran-Owned, HUBZone, or Women-Owned, are encouraged to respond with their capabilities, experience, and any relevant partnerships with Original Equipment Manufacturers (OEMs) like Honeywell INC, as access to proprietary data is essential. Responses should be directed to Michelle Manuel at michelle.manuel.3@us.af.mil or Angelina Kellett at angelina.kellett@us.af.mil, with no formal solicitation or commitment to contract implied at this stage.