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US Air Force is replacing the ANTPS-75 radar with the Three-Dimensional Long-Range Radar 3DELRR.


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The US Air Force is replacing the AN/TPS-75 radar with the Three-Dimensional Expeditionary Long-Range Radar (3DELRR) as the principal USAF long-range, ground-based sensor for detecting, identifying, tracking, and reporting aircraft and missiles through the Ground Theater Air Control System. The AN/TPS-75 radar has been in service since 1968. The primary mission of the 3DELRR will be to provide long-range surveillance, control of aircraft, and theater ballistic missile detection. The 3DELRR will correct AN/TPS-75 shortfalls by detecting and reporting highly maneuverable, small radar cross-section targets. Its improved resolution may allow it to classify and determine the type of non-cooperative aircraft that cannot or do not identify themselves. Once the Technical Development Phase is complete, the USAF intends to award the System Design & Development (SDD) to the winning team around 2011.The US Air Force is replacing the AN/TPS-75 radar with the Three-Dimensional Long-Range Radar (3DELRR) as the principal USAF long-range, ground-based sensor for detecting, identifying, tracking, and reporting aircraft and missiles through the Ground Theater Air Control System.

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