The United States Air Force is seeking a contractor to remanufacture T-38 Defog Flow Selectors under a 5-year firm fixed-price requirements contract, consisting of a 3-year basic period and one 2-year option. The work involves full disassembly, cleaning, inspection, reassembly, testing, and finishing to return the units to like-new condition. The basic period quantity is 63 units and the option period quantity is 42 units, with delivery of 3 units every 30 days to Tinker AFB, Oklahoma. Qualification requirements apply, and vendors must be an approved source or submit a Source Approval Request. The contract also includes an "Over and Above" line item for additional work to be negotiated.