This is a market research notice for a potential 5-year, firm-fixed-price contract to remanufacture B-1B Power Take-Off shafts, with performance in the USA and delivery to Hill AFB, UT. The government is seeking capability statements from small businesses to determine if a competitive set-aside is possible, though it currently identifies the OEM as a sole source. The requirement is for up to 240 units delivered at a maximum rate of 4 per month over the contract duration. No specific budget or contract award amount is provided in this notice. Interested parties, especially small businesses, are asked to describe their relevant experience and any teaming arrangements.