
SBIRS Deemed Operational. The Space Based Infrared System (SBIRS) Geosynchronous Earth Orbit satellite (GEO-4) has achieved Air Force Space Command operational acceptance, the service announced Thursday. The satellite provides worldwide infrared coverage and is successfully transmitting data to the Mission Control Station operated by the 460th Space Wing at Buckley AFB, Colo. SBIRS GEO-4, built by Lockheed Martin, launched from Cape Canaveral Air Force Station aboard a United Launch Alliance Atlas V 411 booster on January 20, 2017. Upon separation from…