Science Fair Project Encyclopedia
The Signal Corps is a military branch, usually subordinate to a country's army. Many countries have a Signal Corps, whose main function is usually communication (in modern times, usually radio or telephone communication on the battlefield). The word corps is used in the British sense (meaning a branch of military service, such as Corps of Engineers), rather than the American sense (meaning an organizational unit below army and above division). Subordinate units include signal regiments, battalions, etc.
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