This is a sources sought notice for market research to identify potential sources for the spares procurement of a Transmission, Mechan Platform for the B-1 aircraft, with an estimated requirement of 44 units. The place of performance is Tinker AFB, Oklahoma. Interested firms must be capable of new manufacture, including component parts, inspection, testing, packaging, and shipping, and may need to complete a Source Approval Request. The government is seeking responses from all business types to determine if the effort can be competitive or a small business set-aside. No solicitation is available at this time, and the acquisition strategy will be based on the information gathered.