102nd Infantry Regiment (United States)


The 102nd Infantry Regiment currently consists of one battalion in the Connecticut National Guard. Regimental designation is used only in historical tradition. It is one of several National Guard units with colonial roots. There is no regimental commander, staff or headquarters. The 1st Battalion, 102nd Regiment is headquartered in New Haven, Connecticut. Its mascot is Sergeant Stubby.

Service history

World War I

In August 1917, the Regiment was organized with 3,755 Officers and enlisted men:
The 102nd was stationed at the Neufchateau, Vosges Training Area during the fall and winter of 1917 with the 26th Division also known as the Yankee Division which included the 101st, 103rd and 104th infantry regiments.
They were then deployed in March 1918 to the Chemin des Dames area
where the men had their first experience with defensive and offensive
operations and with poison gas.
Next they were deployed in April 1918 to the Toul Sector in the American sector
near the Beaumont Zone. They fought at Seicheprey.
Next the 102nd was deployed in July 1918 to the Chateau Thierry area
and were involved in the battles of the
Champagne-Marne,
Aisne-Marne
and the Second Battle of the Marne.
They fought at Trugny, Épieds, and the La Fere Forest.
Next the 102nd was deployed to Saint-Mihiel fighting at the Battle of Saint-Mihiel, then the Troyon Sector and finally at Verdun.
After completing its war service in France with the 26th Division, the Regiment arrived at the port of Boston on 7 April 1919 on the U.S.S. Agamemnon and demobilized at Camp Devens, Massachusetts on 29 April 1919.

Between the Wars

Reconstituted in the National Guard in 1921 as the 170th Infantry, assigned to the 43d Infantry Division, and allotted to the state of Connecticut. Reorganized 20 October 1922 by withdrawal of the 2d Infantry Regiment, Connecticut National Guard, from the 169th Infantry Regiment and redesignation of the 2d Infantry as the 170th Infantry. Regimental Headquarters organized 8 June 1923 and federally recognized at New Haven, Connecticut.
The 170th Infantry was redesignated as the 102d Infantry on 28 February 1924. The regiment, or elements thereof, were called up to perform the following state duties: riot control at the textile workers strike at Putnam, in September 1934; flood relief at Hartford from 19 March – 1 April 1936; hurricane relief in the vicinity of Rockville from 22–27 September 1938. The Regiment conducted annual summer training most years at Niantic between 1921–38. Inducted into active Federal service at New Haven on 24 February 1941 and moved to Camp Blanding, Florida, where it arrived 15 March 1941.

World War II

When the United States reorganised their divisions from the four regiment square division to the three regiment triangular division. The 102nd was detached from the 43rd Division and sent to New Zealand in January 1942. The regiment garrisoned Christmas Island and Canton Island
In July 1943, the Regiment was organized with 3,256 Officers and enlisted men:
The 1948 organization of the Regiment TOE 29-7T called for a strength of 3,774 Officers and enlisted men organized as below:
In 2006, the 86th Infantry Brigade Combat Team was reorganized from a "heavy" brigade to a specialized light infantry formation. The 1–102nd Infantry was added as the brigade slowly formed from 2006, transitioning to the 42d Infantry Division.
The 86th IBCT mobilized in December 2009 at Camp Atterbury, Indiana and completed a Joint Readiness Training Center rotation at Fort Polk prior to deployment in support of Operation Enduring Freedom. The brigade returned home in December 2010 after being replaced by 2nd IBCT, 34th ID.

Current Assignment

As part of the 2020 Army Force Structure Realignment, the 86th IBCT – which includes the 1-102d IN – was moved in 2016 from the 42d ID to the 10th Mountain division.

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