The Department of Defense, specifically the Department of the Army, is seeking contractors for the overhaul of the Data Acquisition Unit, a critical component in flight instrumentation. The contractor will be responsible for providing all necessary services, facilities, labor, parts, materials, and equipment to accomplish the overhaul, with an estimated quantity range of 12 to 57 units, including a Foreign Military Sales quantity of 9 units. This procurement will be executed as a five-year, Firm-Fixed-Price Indefinite Delivery Indefinite Quantity (IDIQ) contract, and interested parties must have the capability to procure proprietary data from approved sources, namely Sikorsky Aircraft Corporation or Hamilton Sundstrand Corporation. Proposals must be submitted via email to Pamela Pritchard at pamela.n.pritchard.civ@army.mil, and the procurement is currently unfunded, with the award contingent upon the availability of funds.