The 339th Infantry Regiment is an infantry regiment of the United States Army, raised for service in World War I, that served in the North Russia Intervention and World War II.

North Russia intervention

The 339th Regiment was created in June 1918, composed mainly of young draftees, for the purpose of fighting on the Western Front in France. Most of the 4,487 men were from Michigan, but some 500 draftees from Wisconsin were included. It was commonly referred to as "Detroit's Own". They were sent to fight the Bolsheviks in Northern Russia. They were nicknamed the "polar bears" because of their service there.

339th Infantry Regiment (United States)

On 30 July 1918, General John J. Pershing, Commander-in-Chief of the American Expeditionary Force (AEF) on the Western Front, by order of President Woodrow Wilson, chose the 339th Infantry Regiment, the 1st Battalion of the 310th Engineers, the 337th Field Hospital, and the 337th Ambulance Company, (all from the 85th Division) to form the Murmansk Expedition. These units were assembled and equipped at Cowshott Camp, Surrey, England. 9 August 1918, with Lt Col George Evans Stewart (later Col) of the 339th Inf as commanding officer of the expedition. 27 Aug 1918, the expedition, 143 officers and 4,344 enlisted men, sailed from Newcastle upon Tyne, England, and arrived Archangel, North Russia, on 4 September, where, with other Allied forces, it became part of the command of Maj Gen F. C. Poole, British Army. American Headquarters was established at Archangel. Distribution of American troops begins along a front 450 miles long, extending from Onega in the west to Pinega in the east, and at some points 200 miles distant from the Archangel base. Elements of the 339th Infantry and attached units operated with the Allied forces to cover the main avenues of approach to Archangel from the south as follows: on the Onega River near Chekuevo; on the railway from Archangel to Vologda near Obozerskaya; on the Vaga River at Pinega. These forces were opposed by the Soviet Sixth Army. 30 September 1918, reinforcements, consisting of 17 officers and 486 enlisted men from the 85th Division, joined. Between September 1918 and May 1919 many minor operations took place against the Soviet forces resulting in more than 500 American casualties. 26 October 1918, Major General Edmund Ironside, British Army, succeeded Major General Poole as commander of the Allied force. 9 April 1919, the American contingent was again redesignated, becoming the"American Expeditionary Force, North Russia"; Brig Gen Wilds P. Richardson assumed command of all American troops in North Russia, supreme command however continuing with the British. During May the Archangel contingent was concentrated in the region of that town preparatory to return to the United States. 3 June 1919, the contingent began moving via Brest to the United States. 27 June 1919, last element, the 1st Battalion of the 310th Engineers, sailed for Brest, enroute to United States.

339th Infantry Regiment (United States)

In April 1919, the enlisted men Company I mutinied, challenging their officers and refusing orders. Chief of Staff Gen. March attributed the action "Bolshevik Propaganda" at a press conference on 12 April. Company I consisted almost entirely of men from Detroit.

339th Infantry Regiment (United States)

Only after leaving England, were the men told of their destination. Spanish Influenza broke out on two of the three transports, and seventy-two men eventually succumbed to the disease or resultant pneumonia.

World War II

The 339th Infantry Regiment was reactivated in 1942, during World War II, to serve in the European theater, fighting in the Allied campaign in Italy from 1944 to 1945. The regiment was assigned to the 85th Infantry Division. As a unit of the 85th Infantry or "Custer" Division, the 339th Infantry saw combat service in Italy from March 1944 until the surrender of German forces in May 1945.

On the morning of May 4, 1945, G Company of the 339th was sent to Pragser Wildsee to liberate 139 high-profile prisoners transferred there during the closing days of the war. They were successful and the Wehrmacht soldiers escorting the prisoners surrendered to the Americans.