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Tag Archives: rescue
Signal mirrors have been used by the Worlds Militaries for many years. Some armies used them as recently as in the 1960’s. They were used by the resistance against the Soviet invasion of Afghanistan and probably have been used against us by the Mujahideen. The US military still issues them for rescue purposes in survival kits.
The system used by militaries in the past was a heliograph. This was a mirror in varying sizes that had a cover over the mirror so that it could flash a coded signal. The distance that heliograph signals could be used depended on the clarity of the sky and the size of the mirrors used. …Read More...