The United States (U.S.) Cadet Nurse Corps (CNC) was authorized by the U.S. Congress on 15 June 1943 and signed into law by president Franklin D. Roosevelt on 1 July. The purpose of the law was to help alleviate the nursing shortage that existed before and during World War II. The legislative act contained a specific provision that prohibited discrimination based upon race, color, or creed. The United States Public Health Service (USPHS) was named the supervisory agency; it was answerable to Thomas Parran, Jr. the surgeon general of the United States. The USPHS established a separate division to administer the CNC program and Parran appointed Lucile Petry a registered nurse (RN) as its director.