The Department of Defense, specifically the U.S. Army Contracting Command at Aberdeen Proving Ground, is seeking sources for an Airborne Anti-Terrorism/Border Security Signals Intelligence (SIGINT) system intended for Foreign Military Sales (FMS) to Egypt. The procurement aims to identify qualified vendors capable of providing a SIGINT system that can detect, geo-locate, and intercept various communication devices, including push-to-talk radios, satellite phones, and cellular phones, all while mounted on an aircraft operating at altitudes up to 7,000 meters. This system is crucial for enhancing border security and anti-terrorism efforts for partner nations. Interested parties must submit their capabilities and Rough Order of Magnitude (ROM) pricing by 4:00 p.m. Eastern Standard Time on December 18, 2025, to the primary contact, Thien-Trang T. Tran, at thien-trang.t.tran.civ@army.mil.