925th Field Artillery Battalion (105 mm) 325th Engineer Combat Battalion 325th Medical Battalion 100th Cavalry Reconnaissance Troop (Mechanized) Headquarters, Special Troops, 100th Infantry Division Headquarters Company, 100th Infantry Division 800th Ordnance Light Maintenance Company 100th Quartermaster Company 100th Signal Company Military Police Platoon Band 100th Counterintelligence Corps Detachment The division sailed to Europe on 6 October of that year. The division arrived at Marseille, France, on 20 October. It was made part of VI Corps of the Seventh United States Army, Sixth United States Army Group. European Theater As soon as the division was prepared for combat, it began moving into the Meurthe-et-Moselle region, and sent its first elements into combat at St. Remy in the Vosges Mountains on 1 November 1944. The division as a whole began the relief of the 45th Infantry Division at Baccarat on 5 November, and assumed control of the sector on 9 November. The attack jumped off on 12 November, and the division drove against the German Winter Line in the Vosges Mountains. The 100th took Bertrichamps and Clairupt, pierced the German line, and seized Raon-l'Étape and Saint-Blaise-Moyenmoutier between 16 and 26 November. Later in November the division moved into the Vosges region, elements assisted in holding the Saverne Gap bridgehead while the bulk of the division went into reserve. The unit was relieved from assignment to VI Corps and transferred to the US XV Corps on 27 November 1944. It then moved into the Moselle region. In December 1944, the division went on the offensive in the vicinity of Bitche, France. The division occupied the nearby areas of Wingen and Lemberg after fierce fighting on 6–10 December. The division then advanced to Reyersviller, which fell after fighting on 11–13 December. On 14 December, regiments from the 100th started their assault on a minor fortification Freundenburg and Fort Schiesseck, a major defensive work in the region. Fort Freundenburg was captured on 17 December by the 100th division's 398th Infantry Regiment. Fort Schiesseck capitulated after three more days of heavy assault by the 100th on 20 December. The division was ordered to halt its attack and to hold defensive positions south of Bitche as part of the Seventh Army during the Battle of the Bulge. Thanks to a stout defense, the men of the 100th later became known as the "Sons of Bitche". The German counterattacks of 1 and 8–10 January 1945 were repulsed, after