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The Long Range Discrimination Radar (LRDR) in Alaska is part of the United States's Ground-Based Midcourse Defense anti-ballistic missile system. The main contractor is Lockheed Martin , under a US$ 784 million contract from the Missile Defense Agency in October 2015.
System name: Many systems have numerous iterations or block upgrades, or have had multiple names. The primary or current system in use is described and noted, with the specific weapon iteration noted as appropriate. Period of use: ABM systems have protracted development periods. The time the system is or was in operational use is described.
Sensitivity time control (STC), also known as swept-gain control, is a system used to attenuate the very strong signals returned from nearby ground clutter targets in the first few range gates of a radar receiver. Without this attenuation, the receiver would routinely saturate due to the strong signals. This is used in air traffic control ...
The AN/FPS-117 is an L-band active electronically scanned array (AESA) 3-dimensional air search radar first produced by GE Aerospace in 1980 and now part of Lockheed Martin. [1] [2] The system offers instrumented detection at ranges on the order of 200 to 250 nautical miles (370 to 460 km; 230 to 290 mi) and has a wide variety of interference and clutter rejection systems.
The EL/M-2090 TERRA is an Israeli ground-based very long range early-warning radar system produced by Elta, a subsidiary of Israel Aerospace Industries IAI. It is composed of 2 radars: the UHF Ultra and the S band SPECTRA.
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This system will also feature advanced long-range surveillance and fire control radars. [ 5 ] [ 2 ] The air defence system will be capable of detecting and destroying enemy assets like cruise missiles , stealth fighter jets, and drones at around 250 km range and larger aircraft like airborne early warning and control (AEW&CS) at a range of 350 ...