The Department of Defense, specifically the Department of the Air Force, is seeking qualified sources for the Space Hub Integrated End Cryptographic Unit Leading Edge Development (SHIELD) program, aimed at enhancing Protected Tactical Satellite Communication (SATCOM) capabilities. The procurement focuses on developing, testing, and delivering cryptographic units (ECUs) that will integrate with the Protected Tactical SATCOM family of systems, ensuring secure communication in contested environments. This initiative is critical for the U.S. Military's transition to a more resilient Protected Tactical Waveform (PTW), which is essential for maintaining communication integrity during operations. Interested parties must submit their Statements of Capabilities by 12:00 PM (Pacific Time) on February 20, 2025, to the designated contacts, Bryan Boardway and Heather Ayres, via their provided email addresses.