Spaceflight Insider

News Archive / Tagged: Space Based Infrared Sensor

  • ULA Atlas V 411 lights up the night with SBIRS GEO 4 launch

    Bart LeahyJanuary 19th, 2018

    CAPE CANAVERAL, Fla. -- United Launch Alliance (ULA) saw its launch window open at 7:48 p.m. Eastern (00:48 GMT on Jan. 20) and soon thereafter sent its Atlas V rocket thundering into the Florida sky. The payload, the fourth geosynchronous satellite in the U.S. Air Force (USAF) Space Based Infrared Sensor (SBIRS) program, is now headed for geosynchronous orbit.

  • ULA readies for U.S. Air Force SBIRS GEO 4 launch

    Bart LeahyJanuary 16th, 2018

    CAPE CANAVERAL, Fla. -- After a slight delay from late 2017, United Launch Alliance is readying an Atlas V 411 to launch the fourth geosynchronous element of the U.S. Air Force (USAF) Space Based Infrared Sensor (SBIRS) program. The launch, is currently set to take place from Cape Canaveral Air Force Station (CCAFS) Space Launch Complex (SLC) 41 on January 18.