The Department of Defense, through the Naval Air Systems Command (NAVAIR), is planning to procure Joint Tactical Terminal – Transceiver (JTT-X) production units and aircraft integration support. This procurement aims to acquire a Software Defined Radio (SDR) with an internal High Assurance Internet Protocol Encryptor (HAIPE) solution, with an estimated total of 455 units to be produced over the contract period, which includes a base year and four option years. The JTT-X is critical for enhancing communication capabilities in military operations, and the anticipated contract award date is in the fourth quarter of Fiscal Year 2026. Interested parties must ensure their final assembly facilities have current COMSEC clearance and submit a request for access to the Technical Library, along with a certified DD Form 2345, to Ryan Lysaght at ryan.c.lysaght.civ@us.navy.mil or Jessica Myers at jessica.v.myers.civ@us.navy.mil for further details.