SBIRS
SBIRS
( < space-based infrared system,
"kosmosepõhine infrapunasüsteem")
olemus
USA infrapunaluure süsteem:
ülevaateid
https://en.wikipedia.org/wiki/Space-Based_Infrared_System
http://www.af.mil/About-Us/Fact-Sheets/Display/Article/104549/space-based-infrared-system/
https://spacenews.com/the-end-of-sbirs-air-force-says-its-time-to-move-on/
https://spacenews.com/air-force-moves-to-acquire-new-missile-warning-satellites-what-we-know-so-far/
vt ka
- OPIR