The Department of Defense, through the Defense Logistics Agency (DLA) Aviation at Huntsville, AL, is soliciting proposals for the procurement of 300 signal processors, specifically identified by National Stock Number (NSN) 1680-01-123-7643, intended for use in CH-47 CHINOOK helicopters. This procurement is issued on a Firm Fixed Price basis, with a production lead time of 300 days post-contract award for delivery to Tinker Air Force Base in Oklahoma. The opportunity is restricted to two companies, The Boeing Company and Flightline Electronics, Inc., due to proprietary data ownership, and interested firms must meet prequalification requirements and seek source approval for future opportunities. For further inquiries, interested parties should contact Jonathan Gunnels at jonathan.gunnels@dla.mil, with the closing date for the solicitation being subject to adjustment.