https://www.spaceforce.mil/about-us/fact-sheets/article/2197746/space-based-infrared-system/
Space Based Infrared System United States Space Force Fact Sheets
The Space Based Infrared System (SBIRS) program is the follow-on capability to the highly successful Defense Support Program. The SBIRS program was designed to...
space based infrared systemunited statesforcefactsheets
https://www.af.mil/News/Tag/106590/space-based-infrared-system-geosynchronous-earth-orbit/
News - Tag Space Based Infrared System Geosynchronous Earth Orbit
The official website of the U.S. Air Force. AF.MIL delivers the latest breaking news and information on the U.S. Air Force including top stories, features,...
space based infrared systemnewstaggeosynchronousearth