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البيان
World's Riskiest Aircraft
The U.S. Navy’s E-6B Mercury flies in tight circles to keep a roughly 28,000-foot-long—more than five miles—wire antenna hanging nearly vertically, improving the transmission of very low frequency signals to submerged submarines. The maneuver is performed at altitudes above 20,000 feet and can last for hours. Because the communications are slow, they are limited to short, critical messages, including orders and emergency procedures for nuclear forces. The TACAMO program dates back to 1962, and the U.S. Navy is preparing to replace its E-6B aircraft in the future with E-130J Phoenix II aircraft.
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