The United States Anti-Doping Agency (USADA, ooo-SAH-duh) is a non-profit, non-governmental[2] 501(c)(3)[1]:59 organization and the national anti-doping organization (NADO) for the United States. To protect clean competition and the integrity of sport, USADA provides education, leads scientific initiatives, conducts testing, and oversees the results management process. Headquartered in Colorado Springs, Colorado, USADA is a signatory to the World Anti-Doping Code, which harmonizes anti-doping practices around the world and is widely considered the basis for the strongest and strictest anti-doping programs in sports.[3][4]