Military Communications
The United States Navy utilized extremely low frequencies (ELFs) as radio band and radio communications. The Submarine Integrated Antena System (SIAS) was a research and development effort to communicate with submerged submarines. The Soviet/Russian Navy also utilized ELFs for submarine communications system, ZEVS.
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“We’re in greater danger today than we were the day after Pearl Harbor. Our military is absolutely incapable of defending this country.”
—Ronald Reagan (b. 1911)
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