OVERVIEW: A satellite-based IR (Infrared) camera is a spaceborne imaging sensor designed to detect and record thermal radiation emitted by objects on Earth or in space. These cameras enable continuous, high-altitude thermal surveillance for military, environmental, meteorological, and strategic intelligence purposes.

GENERAL DESCRIPTION: Satellite IR Cameras (3rd generation) deployed from the early 2000s to present are integrated into modern geostationary early warning constellations. They utilize high-resolution staring sensors operating in multiple IR bands (MWIR, LWIR), often with onboard signal processing for event classification and cueing. These systems are central to ballistic missile early warning architectures, detecting and tracking launches in boost phase with increased accuracy and lower false-alarm rates.

ROLE SUMMARY:
Category: Infrared Surveillance / Strategic Early Warning
Primary Use: Missile launch detection and tracking
Function: Passive thermal imaging and real-time event discrimination
Platform: Geostationary early warning satellites (e.g., SBIRS GEO, Tundra)

See Specific information under [Sensors/EW] and [Properties] sections.

SOURCE:
Russian Tundra/EDO Reports
National Reconnaissance Office (NRO) Assessments