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  2. Air Force Space Surveillance System - Wikipedia

    en.wikipedia.org/wiki/Air_Force_Space...

    A new Space Fence is envisioned to be a system of two or three S-band ground-based radars designed to perform uncued detection, tracking and accurate measurement of orbiting space objects. The Space Fence is intended to replace the Air Force Space Surveillance System, or VHF Fence, that was transferred from the U.S. Navy to the U.S. Air Force ...

  3. Space Fence - Wikipedia

    en.wikipedia.org/wiki/Space_Fence

    The Space Fence is a second-generation space surveillance system operated by the United States Space Force in order to track artificial satellites and space debris in Earth orbit. [1] It was constructed and designed by Lockheed Martin, Northrop Grumman, and Raytheon starting in 2009, with it being declared operational in March 2020.

  4. United States Space Surveillance Network - Wikipedia

    en.wikipedia.org/wiki/United_States_Space...

    The FPS-80 was a tracking radar and the FPS-17 was a detection radar for Soviet missiles. Both were part of the Ballistic Missile Early Warning System . The large detection radar (AN/FPS-17) went into operation in 1960. In 1961, the AN/FPS-80 tracking radar was constructed nearby. These radars were closed in the 1970s.

  5. Lockheed Martin - Wikipedia

    en.wikipedia.org/wiki/Lockheed_Martin

    The Lockheed Martin Corporation is an American defense and aerospace ... Lockheed Martin received a Pentagon contract to build a space fence that would track ...

  6. AN/TPQ-53 Quick Reaction Capability Radar - Wikipedia

    en.wikipedia.org/wiki/AN/TPQ-53_Quick_Reaction...

    AN/TPQ-53 Quick Reaction Capability Radar is a mobile active electronically scanned array counter-battery radar system manufactured by Lockheed Martin. The radar is specifically designed to locate the firing positions of both rocket and mortar launchers.

  7. AN/TPY-4 - Wikipedia

    en.wikipedia.org/wiki/AN/TPY-4

    The AN/TPY-4, formerly known as the TPY-X, is a ground-based, active electronically scanned array, L-band, multi-function long-range 3D radar for air defense surveillance, built by Lockheed Martin. [2] It is a radar capable of multi-mission operation, and perform simultaneously the following work: air surveillance; low profile UAS detection

  8. Space-Based Infrared System - Wikipedia

    en.wikipedia.org/wiki/Space-Based_Infrared_System

    On 2 June 2009, Lockheed Martin announced it had been awarded a contract for the third SBIRS HEO payload and the third SBIRS GEO satellite, and for associated ground equipment modifications. [6] On 10 July 2009, Lockheed Martin was awarded US$262.5 million as down payment by the USAF towards the purchase of a fourth satellite. [ 7 ]

  9. GPS Block III - Wikipedia

    en.wikipedia.org/wiki/GPS_Block_III

    The L2C signal is tasked with providing improved accuracy of navigation, providing an easy-to-track signal, and acting as a redundant signal in case of localized interference. The immediate effect of having two civilian frequencies being transmitted from one satellite is the ability to directly measure, and therefore remove, the ionospheric ...