The element of surprise can be a critical weapon, and nothing removes it from the playbook of enemy forces quite like radar. Radar units send out pulses of high-frequency electromagnetic waves that reflect off objects, and modern radar systems are sophisticated enough to track even small, rapidly moving objects like rockets and mortar and artillery shells.
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| US Army Yuma Proving Ground is hosting an operational test of the Marine Corps' AN/TPS-80 Ground/Air Task Oriented Radar (G/ATOR). Specifically under evaluation is the Block 2 version of the system, which searches for ground-based weapons fire.(Picture source: U.S. Army) |