 In 1945, it was redesignated the Chemical Corps.A Provost Marshal General's Office and Corps of Military Police were established in 1941.Prior to that time, except during the Civil War and World War I, there was no regularly appointed Provost Marshal General or regularly constituted Military Police Corps, although a "Provost Marshal" can be found as early as January 1776, and a "Provost Corps" as early as 1778.