The “Hello Girls”
"American telephone girls on arrival for "hello" duty in France. They all can speak both English and French., 03/1918"
During World War I, over 400 women were enrolled in the U.S. Army Signal Corps to operate telephone* switchboards in France. Despite the sometimes hazardous conditions of their service, they were denied veterans status after the war ended. It would take 60 years until a bill was signed by President Carter granting them veterans status in 1978.
Read more about the “Hello Girls” at the Signal Corps “Regimental” History Site - The Hello Girls