The Department of Defense, specifically the Department of the Air Force, is seeking potential sources for the development and production of a replacement Advanced Identification Friend-or-Foe (AIFF) Combined Interrogator Transponder (CIT) for the F-16 aircraft. This opportunity aims to gather information for market research, focusing on small businesses, including those classified as 8(a), Service-Disabled Veteran Owned, HUBZone, and Women-Owned, with requirements including the production of 6 test units and up to 300 upgrades from FY24 to FY27, while adhering to stringent DoD security and operational standards. The selected vendor will play a crucial role in enhancing the operational capabilities of the F-16, necessitating a comprehensive Quality Assurance Plan that meets aerospace standards. Interested parties should contact Kirsten Rivera at kirsten.rivera@us.af.mil or Eric Dumpert at eric.dumpert.1@us.af.mil for further details, as this notice is for informational purposes only and does not constitute a formal Request for Proposal.