This comment seemed overly dismissive, so I took 20 minutes to read on Over-the-Horizon Radar systems. They do work and a lot of countries have developed and operated suck systems including the USA, the UK, Canada, France and China.
The prototype Duga radar was able to detect Soviet launches from Kazakhstan and the Pacific. The Soviet Union also maintained a number of other such systems and Russia still develops and uses similar types of radars.
The prototype Duga radar was able to detect Soviet launches from Kazakhstan and the Pacific. The Soviet Union also maintained a number of other such systems and Russia still develops and uses similar types of radars.
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