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2015 – U.S. Missile Detection – Snapshot

The USAF continued missile detection operations in 2015 using a combination of legacy Defense Support Program (DSP) satellites, two Space Based Infrared System (SBIRS) GEO satellites, and three SBIRS HEO sensor payloads hosted on classified satellites. The growth and evolution of the infrared satellites deployed in various orbits allows the USAF uninterrupted monitoring in the infrared spectrum of activities around the world, 24 hours a day.

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2015 – Satellite Overview – Snapshot

Satellites include a wide variety of systems performing an even wider range of missions from their different orbits. In 2015, launch operators attempted to place 262 spacecraft into orbit (including both satellites and other types of payloads), a decrease of 11% from 296 spacecraft in 2014.

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2015 – Military Reconnaissance – Snapshot

The inherent security requirements of military operations make it very difficult to pinpoint the exact number and nature of reconnaissance satellites launched by nations. The space-based inventory of a nation’s intelligence collection can run through many different disciplines from imagery intelligence (IMINT), signals intelligence (SIGINT), and measurement and signature intelligence (MASINT).

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