English: WACS working in the communications section of the operations room at an air force station. No opportunity was overlooked to replace men with personnel of the Women’s Army Corps both in the United States and overseas, WACs were given many technical and specialized jobs to do, as well as administrative and office work. The Medical Corps employed the largest number of WACs in technical jobs, but other technical services such as the Transportation Corps, Signal Corps, Ordnance Department, and Quartermaster Corps had many positions that could be performed by women as efficiently as by men.