81st Signal Group

The 81st Signal Group was a communications unit within the United States Army, originally constituted during the buildup of World War II. Activated in the early 1940s, the group provided vital signal support, enabling secure and reliable communications for command and control across various theaters of operation. Throughout its service, the 81st Signal Group was responsible for installing, operating, and maintaining both wired and wireless communication systems, ensuring the effective transmission of orders and intelligence. After the war, the group's mission continued to evolve with advancements in communications technology, supporting both peacetime operations and later conflicts before being inactivated or reorganized in the postwar era.