The Emergency Fleet Corporation (EFC) was established by the United States Shipping Board, sometimes referred to as the War Shipping Board, 16 April 1917 pursuant to the Shipping Act (39 Stat. 729) to acquire, maintain, and operate merchant ships to meet national defense, foreign and domestic commerce during World War I. The EFC was renamed the U.S. Shipping Board Merchant Fleet Corporation by act of Congress 11 February 1927 (44 Stat. 1083). The Board and Corporation were abolished 26 October 1936 and their functions transferred to the U.S. Maritime Commission by the Merchant Marine Act (49 Stat. 1985) of 29 June 1936.