The communications sergeant is the ODA's link to the rest of the world. He is an expert in sending and receiving critical communications to the ODA's command and control elements. Communications sergeants are familiar with cryptographic systems, burst outstation systems, antenna theory, radio wave propagation and common radios found throughout the Army. Communications sergeants install, operate and maintain FM, AM, HF, VHR, UHF and SHF communications in voice and burst radio networks. They advise the detachment commander on all communications matters.
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