Spectacular Views of ULA's 75th Atlas-V Launch with SBIRS GEO-4 Missile Defense Satellite

LIFTOFF of the rarely seen Atlas-V 411 variant, headed to space with SBIRS GEO-4. Photo: John Kraus / AmericaSpace

ULA just launched the fourth satellite of the U.S Air Force Space Based Infrared System Geosynchronous Orbit (SBIRS) program, also known to the Pentagon as the nation’s highest priority space program for preventing nuclear war. […]

Fourth SBIRS Missile Defense Satellite Begins Fueling for January Launch on Atlas-V

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. Credit: Lockheed Martin

Teams at Cape Canaveral AFS in Florida have been given a GO to begin loading 430 […]

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 […]