8189th Signal Service Battalion

The 8189th Signal Service Battalion was a United States Army unit activated during the Korean War to provide essential communications support to U.S. and United Nations forces. Organized in 1950, the battalion was tasked with establishing, operating, and maintaining signal networks for command and control operations across the Korean peninsula. Its personnel managed telephone, radio, and teletype communications, often working under hazardous combat conditions to ensure uninterrupted lines of communication. The unit played a critical role in coordinating movements, relaying intelligence, and supporting logistical operations during key campaigns throughout the conflict.