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• OBSOLETE. A satellite-borne electro-optic tracking and surveillance system in medium earth orbit. The satellites would track targets from medium earth orbits against a cold space background and near the earth limb. Individual objects state vectors would be generated from correlated information from two or more sensors. (Predecessor to Brilliant Eyes (BE).

  DoD Missile Defense Agency - Cite This Source - This Definition
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  Cite Definition for Space-Based Surveillance and Tracking System (SSTS)

  American Psychological Association (APA)

  Space-Based Surveillance and Tracking System (SSTS). (n.d.). MDA Glossary. Retrieved February 8, 2023, from website: http://www.expertglossary.com/definition/space-based-surveillance-and-tracking-system-ssts.

  Chicago Manual of Style (CMS)

  Space-Based Surveillance and Tracking System (SSTS). www.mda.mil. MDA Glossary. DoD Missile Defense Agency. http://www.expertglossary.com/definition/space-based-surveillance-and-tracking-system-ssts (accessed: February 8, 2023).

  Modern Language Association (MLA)

  "Space-Based Surveillance and Tracking System (SSTS)." MDA Glossary. DoD Missile Defense Agency. 8 February. 2023 http://www.expertglossary.com/definition/space-based-surveillance-and-tracking-system-ssts.

• Browse Related Terms: Constellation Size (CSIZE), ELS, GEO, HEO, LEO, Low Earth Orbit (LEO), MEO, MOLNIYA Orbit, Orbiting Debris, SBIRS GEO, SBIRS HEO, SBIRS LEO, Space Based Infrared System (SBIRS), Space-Based Interceptor (SBI), Space-Based Surveillance and Tracking System (SSTS)