Infantry, achieved thirty years of commissioned service. Casualties Total battle casualties: 6,034 Killed in action: 1,154 Wounded in action: 4,342 Missing in action: 109 Prisoner of war: 429 Assignments in European Theater of Operations 25 November 1944: Third Army, 12th Army Group. 4 December 1944: III Corps. 11 December 1944: XII Corps. 21 December 1944: XV Corps, Seventh Army, 6th Army Group. 29 December 1944: VIII Corps, Third Army, 12th Army Group. 14 January 1945: XII Corps. 25 January 1945: VIII Corps. 22 April 1945: VIII Corps, First Army, 12th Army Group. Order of battle Headquarters, 87th Infantry Division 345th Infantry Regiment 346th Infantry Regiment 347th Infantry Regiment Headquarters and Headquarters Battery, 87th Infantry Division Artillery 334th Field Artillery Battalion (105 mm) 335th Field Artillery Battalion (155 mm) 336th Field Artillery Battalion (105 mm) 912th Field Artillery Battalion (105 mm) 312th Engineer Combat Battalion 312th Medical Battalion 87th Cavalry Reconnaissance Troop (Mechanized) Headquarters, Special Troops, 87th Infantry Division Headquarters Company, 87th Infantry Division 787th Ordnance Light Maintenance Company 87th Quartermaster Company 87th Signal Company Military Police Platoon Band 87th Counterintelligence Corps Detachment Decorations Postwar The 87th Infantry Division was reformed in the Organized Reserve Corps after the war, in the Third Army area. It comprised units in Alabama, Tennessee, Mississippi, and Florida. It was inactivated on 15 February 1957 in Birmingham, Alabama, and subsequently the division shoulder sleeve insignia and number, but not the division lineage and honors, were used by the 87th Maneuver Area Command (MAC), also in Birmingham, with sixteen subordinate battalions. The 87th MAC was later inactivated and, on 1 October 1993, the lineage of the 87th Infantry Division was redesignated as Headquarters, 87th Division (Exercise) and activated at Birmingham, Alabama. On 17 October 1999 it was reorganized and redesignated Headquarters, 87th Division (Training Support). According to Global Security, "On 16 January 2006, First US Army's mission expanded to include the training, readiness oversight, and mobilization for all US Army Reserve and Army National Guard units within the continental United States and 2 US territories. First US Army assumed authority from Fifth US Army, which was transforming into United States Army North (ARNORTH), assuming nationwide responsibility for homeland security. With its new role, First US Army developed two subordinate multi-component headquarters, one division to support the eastern United States and the other to support the western United States. Division East, First US Army Division East was activated