Fourth Critical SBIRS Missile Defense Satellite Arrives at Cape Canaveral for January Launch

SBIRS GEO Flight 4, the next Geosynchronous Earth Orbit (GEO) satellite to join the U.S. Air Force’s Space Based Infrared System (SBIRS) during assembly and test at Lockheed Martin’s satellite manufacturing facility in Sunnyvale, California. Photo: Lockheed Martin

The fourth Space Based Infrared System Geosynchronous Orbit (SBIRS GEO-4) spacecraft—a crucial war fighting satellite to […]