This is a Sources Sought notice for the procurement of spares, specifically a Case, Combustion Chamber Platform for the F108 aircraft. The estimated quantity ranges from a minimum of 2 to a maximum of 8 units, with a medium estimate of 5. Responses to this market research must be submitted by July 13, 2026. The place of performance for any resulting contract would be Tinker AFB, Oklahoma. The government is seeking potential sources to manufacture, inspect, test, and deliver the specified parts, and may consider breaking the requirement out by airframe.