124th Infantry Regiment Relieved from division 15 December 1941; reactivated in New Guinea on 5 April 1944 using the assets of the 154th Infantry Regiment, and assigned to division. 154th Infantry Regiment Activated in the Army of the United States and assigned to division 20 September 1942; disbanded on New Guinea 5 April 1944 and personnel and equipment used to fill the reactivated 124th Infantry Regiment. 155th Infantry Regiment 156th Infantry Regiment Relieved from division 14 July 1942. 167th Infantry Regiment Headquarters and Headquarters Battery, 31st Infantry Division Artillery 114th Field Artillery Battalion (105 mm) 115th Field Artillery Battalion (105 mm) 117th Field Artillery Battalion (155 mm) 149th Field Artillery Battalion (105 mm) 106th Engineer Combat Battalion 106th Medical Battalion 31st Cavalry Reconnaissance Troop (Mechanized) Headquarters, Special Troops, 31st Infantry Division Headquarters Company, 31st Infantry Division 731st Ordnance Light Maintenance Company 31st Quartermaster Company 31st Signal Company Military Police Platoon Band 31st Counterintelligence Corps Detachment Mobilization and training As a result of World War II, the division was mobilized along with the entire National Guard and inducted into Federal service on 25 November 1940 at home stations. Instead of being sent to Camp McClellan, the 31st went to Camp Blanding, arriving on 22 December to discover that it was still under construction. After being strengthened by Selective Service draftees, the division participated in the IV Corps Louisiana Maneuvers in August 1941, the GHQ maneuvers near Good Hope Church between September and October as part of IV Corps, and the First Army Carolina Maneuvers near Ruby and Chesterfield, South Carolina during October and November as part of IV Corps, before returning to Blanding. On 15 December 1941, the 124th Infantry Regiment of the Florida National Guard was relieved from assignment to the 31st Division. It was used as school troops for the Infantry School at Fort Benning, Georgia until it was inactivated on 2 March 1944. The 124th was temporarily replaced in the 31st Division by the 154th Infantry Regiment (a former designation of the 1st Florida Infantry Regiment from 1921-1923 until it was redesignated the 124th Infantry), which was activated 20 September 1942 in the Army of the United States. On 5 April 1944, the 154th Infantry was disbanded and its personnel and equipment used to reactivate the 124th Infantry Regiment. The 156th Infantry Regiment of the Louisiana National Guard was separated from the 31st Division on 14 July 1942.