In 1879, guards were appointed to safeguard the coins, currency and documents of the US Treasury and fell under the office of the Chief Clerk of the Treasury department. They were later renamed as the Treasury Guard Force. On 1 July 1937, the Secretary of the Treasury placed the TGF along with the Guard Force of the Bureau of Engraving and Printing, under the authority of the United States Secret Service where they became the Uniformed Force of the Secret Service.
