Women in U.S. military service through the years

In this July 14, 1965, file photo, U.S. Army nurses Capt. Gladys E. Sepulveda, left, of Ponce, Puerto Rico, and 2nd Lt. Lois Ferrari, of Pittsburgh, Pa., rest on sandbags at Cam Ranh Bay in South Vietnam, during the Vietnam War. They two were waiting transportation to Nha Trang, to work in the 8th field hospital. (AP Photo, File)