Murdock A. Campbell participant of World War I
World War I
He joined the 57th Pioneer Infantry Regiment and deployed to France for World War I.  Enlisting as a private, he rose to sergeant major before receiving his commission in September, 1918.  He served in France from September 1918 to June 1919 and was discharged in July 1919.Post-World War I
Following the war, Campbell resumed studying law. In 1925, he received his LL.B. degree from National University School of Law (now George Washington University Law School). In 1926, he received a Master of Laws (LL.M.) and a Master of Patent Law (M.P.L) from National University.He practiced law in Northfield in partnership with Frank Plumley and Charles Albert Plumley.  A Republican, he served as Assistant Secretary of the Vermont State Senate from 1927 to 1931 and Secretary from 1931 to 1933.  During his term as Secretary, his assistant was Ernest W. Gibson, Jr., with whom Campbell also served in the Vermont National Guard.From 1933 to 1941, Campbell was Vermont’s Commissioner of the Department of Motor Vehicles.Campbell continued his military service after World War I and rose through the ranks to colonel and commander of the 172nd Infantry Regiment, a unit of the 43rd Infantry Division.Campbell later took a reduction in rank to lieutenant colonel and a position on the division staff, which enabled Leonard F. Wing to receive promotion to colonel and command of the regiment.