The 39th Infantry Division was an infantry

Infantry

Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...

 division

Division (military)

A division is a large military unit or formation usually consisting of between 10,000 and 20,000 soldiers. In most armies, a division is composed of several regiments or brigades, and in turn several divisions typically make up a corps...

 of the Army National Guard

Army National Guard

Established under Title 10 and Title 32 of the U.S. Code, the Army National Guard is part of the National Guard and is divided up into subordinate units stationed in each of the 50 states, three territories and the District of Columbia operating under their respective governors...

, originally formed as the 18th Division in 1917. The Division consisted of troops from Arkansas, Louisiana, and Mississippi. After training at Camp Beauregard

Camp Beauregard

For the American Civil War site, see Camp Beauregard Memorial in Water Valley.Camp Beauregard is a U.S. Army installation located northeast of Pineville, Louisiana, primarily in Rapides Parish, but also extending northward into Grant Parish. It is currently operated by the Louisiana National Guard...

, Louisiana, the Division was deployed to France but did not see combat before the end of World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

. The Division was reorganized after World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 with troops from Louisiana and Arkansas and its headquarters in Louisiana.