Military communications
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Military communications or military signals involve all aspects of communications, or conveyance of information, by armed forces. Examples from Jane's Military Communications include text, audio, facs
United States Army Signal Corps switchboard operators in the 1940s
A Japanese courier pursued by Cossacks during the Russo-Japanese War, 1904
WRNS signalwomen training naval signalling, 1943
A Luftwaffe officer using a radio kit on a Panzer III, 1940
Semaphore
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Semaphore is the use of an apparatus to create a visual signal transmitted over distance. A semaphore can be performed with devices including: fire, lights, flags, sunlight, and moving arms. Semaphore
Military communications
…the sending and receiving of simple signals (sometimes encoded to be unrecognizable). The first distinctive uses of military communications were called semaphore. Modern units specializing in these tactics are usually designated as signal corps. The Roman system of military communication (cursus publicus or…
Coastal semaphore using moving arms at Scheveningen, circa 1799
Sailor with signal lamp
Flag alphabet
Heliograph