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  2. Defense Support Program - Wikipedia

    en.wikipedia.org/wiki/Defense_Support_Program

    Another DSP satellite was lost in 1999, DSP-19, after its Inertial Upper Stage failed following launch from a Titan 4B booster. [8] DSP-19 was a USAF Defense Support Program missile early warning satellite equipped with an infrared telescope to detect rocket launches. The Titan 4B rocket placed the IUS upper stages and payload into a 188 km x ...

  3. Space Tracking and Surveillance System - Wikipedia

    en.wikipedia.org/wiki/Space_Tracking_and...

    STSS was designed to be the low Earth orbiter (LEO) within the layered Ballistic Missile Defense System. It complemented the geosynchronous Defense Support Program, the Space-Based Infrared System, and other overhead non-imaging infrared (ONIR) systems [15] [16] and provided tracking cues to systems on the surface. The STSS program was ...

  4. Early warning satellite - Wikipedia

    en.wikipedia.org/wiki/Early_warning_satellite

    Observation of a Delta II rocket launch by a SBIRS satellite in 2008. The United States was the first country to attempt to establish a space-based early warning system. The goal was to detect Soviet ballistic missile launches and give 20 to 33 minutes notice of the missile's arrival (against 10 to 25 minutes for the BMEWS ground-based radar ...

  5. Military satellite - Wikipedia

    en.wikipedia.org/wiki/Military_satellite

    A number of nations have developed satellite based early warning systems designed to detect ICBMs during different flight phases. In the United States these satellites are operated by the Defense Support Program (DSP). The first launch of a DSP satellite was on 6 November 1970 with the 23rd and last launched 10 November 2007.

  6. Central acquisition radar (3D-CAR) - Wikipedia

    en.wikipedia.org/wiki/Central_Acquisition_Radar...

    The central acquisition radar (CAR) is a long-range high-resolution 3D surveillance radar. [2] The entral acquisition radar was designed by Electronics and Radar Development Establishment (LRDE), a DRDO laboratory, and is produced by a joint venture between BEL, Larsen & Toubro, Astra Microwave and Entec. The radar employs a planar array ...

  7. Defense Satellite Communications System - Wikipedia

    en.wikipedia.org/wiki/Defense_Satellite...

    Illustration of the DSCS III satellite. The Defense Satellite Communications System (DSCS) [1] is a United States Space Force satellite constellation that provides the United States with military communications to support globally distributed military users. Beginning in 2007, DSCS began being replaced by the Wideband Global SATCOM system. A ...

  8. Satellite photos suggest Iran air defense radar struck in ...

    www.aol.com/news/satellite-photos-suggest-iran...

    The satellite images by Planet Labs PBC taken Monday morning near Isfahan's dual-use airport and air base, some 320 kilometers (200 miles) south of Tehran, showed an area nearby that served as a ...

  9. Space-based radar - Wikipedia

    en.wikipedia.org/wiki/Space-based_radar

    Space-based radar or spaceborne radar is a radar operating in outer space; orbiting radar is a radar in orbit and Earth orbiting radar is a radar in geocentric orbit. A number of Earth-observing satellites , such as RADARSAT , have employed synthetic aperture radar (SAR) to obtain terrain and land-cover information about the Earth .