- 40th Infantry Division (United States)
Infobox Military Unit
unit_name= 40th Infantry Division (Mechanized)
caption=40th Infantry Division shoulder sleeve insignia
country= United States
Army National Guard
garrison=Los Alamitos Joint Forces Training Base
World War I World War II
Global War on Terrorism
Distinguished Unit Citation(3)
current_commander=Brigadier General John Harrel
previous=39th Infantry Division
next=41st Infantry Division
The 40th Infantry Division (Mechanized) is a modular division of the
United States Army. It is mainly composed of units of the California Army National Guardwith one battalion from the Kansas Army National Guard. Its Division Headquarters is located at Los Alamitos Joint Forces Training Base in Los Alamitos, California.
The 40th Infantry Division was organized at
Camp Kearney, near San Diego, California, on 16 September 1917, originally designated as the 19th Division. It was composed of National Guard units from the states of Arizona, California, Colorado, Nevada, New México, and Utah. After seeing service in World War Ias a depot division, it was redesignated the National Guard division for California and Utah, before seeing service in the Pacific Theatreof World War II. Later, the division served in Korea and some of its units were designated for Vietnam. The division was redesignated the National Guard unit for California alone, and it continues to serve domestically as such, mostly in homeland securityoperations.
*World War II Casualties
** 614 Killed in Action
** 2,407 Wounded in Action
** 134 Died of Wounds
*Korean War Casualties
** 376 Killed in Action
** 1,457 Wounded in Action
** 47 Died of Wounds
World War I
18 July 1917(National Guard division from California, Nevada, and Utah.
3 August 1918and redesignated the 6th Depot Division; received, equipped, trained, and forwarded replacements.
* Returned to the U.S. on
30 June 1919.
*Major General F. S. Strong (
25 August 1917)
*Brigadier General G. H. Cameron (
18 September 1917)
*Brigadier General L. S. Lyon (
19 November 1917)
*Brigadier General G. H. Cameron (
23 November 1917)
*Brigadier General L. S. Lyon (
6 December 1917)
*Major General F. S. Strong (
8 December 1917)
World War II
3 March 1941(National Guard division from California and Utah).
23 August 1942.
* Returned to U.S.:
7 April 1946. Inactivated: 7 April 1946
Bismarck Archipelago, Southern Philippines, Luzon.
* Distinguished Unit Citations: 3
Medal of Honor
** 12 Distinguished Service Crosses
** 1 Distinguished Service Medal
** 21 Legions of Merit
** 1,036 Bronze Stars
*Major General Walter P. Story (March-September 1941)
*Major General Ernest J. Dawley (September 1941-April 1942)
*Major General Rapp Brush (April 1942-July 1945)
*Brigadier General Donald J. Myers (July 1945 to inactivation)
WWII Combat chronicle
The 40th Infantry Division's first oversea assignment was the defense of outer islands of Hawai'i, where it arrived in September
1942. Training continued as defensive positions were improved and maintained. In July 1943, the division was concentrated on Oahu, and relieved the 24th Infantry Division of the defense of the North Sector. Relieved of the North Sector in October 1943, the 40th entered upon a period of intensive amphibious and jungle training. On 20 December 1943, the first units left for Guadalcanal, and by mid-January 1944, movement was completed, and the division prepared for its first combat assignment. On 24 April 1944, it left Guadalcanal for New Britain. The regiments of the division took positions at Talasea on the northern side of the island, at Arawe on the southern side, and at near the western end. Neutralization of the enemy was effected by patrols. No major battle was fought. Heavy rain and mud were constant problems. The 40th was relieved of missions on New Britain, 27 November, and began training for the Luzon landing. Sailing from Borgen Bay on 9 December 1944, the division made an assault landing at Lingayen, Luzon, under command of XIV Corps, on 9 January 1945. Seizing Lingayen airfield, the division occupied Bolinao Peninsula and San Miguel, and advanced toward Manila, running into heavy fighting in the Fort Stotsenburgarea and the Bambam Hills. Snake Hill and Storm King Mountain were taken in February and the 40th was relieved, 2 March. Leaving Luzon on 15 March 1945to cut behind the Japanese, the division landed on Panay Island on the 18th and knocked out Japanese resistance within ten days, seizing airfields at Santa Barbara and Mandurriao. On 29 March, it landed at Pulupandan, Negros Occidental, advanced through Bacolod Citytoward Talisay, which it secured by 2 April 1945. After mopping up on Negros Island, the division returned to Panayin June and July 1945. In September 1945, the division moved to Korea for occupation duty. [ [Nota Bene: These combat chronicles, current as of October 1948, are reproduced from The Army Almanac: A Book of Facts Concerning the Army of the United States, U.S. Government Printing Office, 1950, pp. 510-592.] ]
1 September 1950, the 40th Infantry Division was again called into active federal service for the Korean War. Shipping out of Oakland & San Francisco, Californiain late March 1951, the division deployed to Japan for training. For the next nine months, they participated in amphibious, air transportability, and live fire training from Mount Fujito Sendai. On 23 December, the division received alert orders to move to Korea. The division moved to Korea in January 1952. After additional training, the division moved north in February 1952, where it relieved the 24th Infantry Division on the battle line.
In Korea, the 40th Infantry Division participated in the the battles of Sandbag Castle and the Punchbowl. In these campaigns, the division suffered 1,180 casualties, including 311 who were killed in action, and 47 who later died from wounds received in action. [ [http://www.globalsecurity.org/military/agency/army/40id.htm] ]
Three members of the division's 223rd Infantry Regiment were awarded the
Medal of Honorfor their actions during the Korean War: David B. Bleak, Gilbert G. Collierand Clifton T. Speicher.
13 August 1965, Lieutenant Governor Glenn M. Andersoncalled out elements of the 40th Infantry Division to put down the Watts Riots, at the request of Los Angeles Police Chief William H. Parker. The absence of Governor Pat Brownvested gubernatorial authority in Anderson.
Like most reserve component units of the Army, the 40th Infantry Division sat out the
Vietnam War, being left unmobilised.
From 1986 until 1995, the division's CAPSTONE wartime organisational structure included the 140th Military Intelligence Battalion (CEWI) (HD). Allocated to the
United States Army Reservein peacetime, the mission of the battalionwas to provide the division commander and G-2 with electronic warfareintelligence and analysis, as well limited counterintelligence/ interrogationsupport and long range surveillance. Ironically, the battalion's long-range surveillance detachment was stripped from the battalion in peacetime and allocated to the California Army National Guard.
[someone want to fill in what subordinate assets were mobilised?]
Post Gulf War
29 April 1992, Governor Pete Wilsonordered elements of the 40th Infantry Division to duty to put down the so-called "Rodney King" riots. The 40th ID responded quickly by calling up some 2,000 soldiers, but could not get them to the city until nearly twenty-four hours had passed due to a lack of proper equipment, training, and available ammunition which had to be picked up from Camp Roberts, California (near Paso Robles). Initially, they only secured areas previously cleared of rioters by police. Later, they actively ran patrols, maintained check points, and provided firepower for law enforcement. By 1 May, the call-up had increased to 4,000 soldiers continuing to move into the city in Humvees.
1997, Battery F, 144th Field Artillery Regiment (TA), represented the state of California in Bosnia. During this deployment, Battery F conducted Firefinder counter-battery radar operations, convoys and base security all with little to no armor, with a high threat of mine strikes and ambushes. Most drivers exceeded 21,000 kilometres (13,000 miles) during the seven months in country.
2000, Battery F was again called to duty for its expertise in the Kosovoregion.
Until Battery F's arrival in
Afghanistan, radar operations were virtually unknown and uncared for. Nevertheless, the unit quickly became a very important resource and a leading factor in base defense operations.
The 40th Infantry Division (Mechanized) is commanded by Brigadier General John Harrel and the NCO corps are led by Command Sergeant Major George Pena (current as of 2008).
40th Infantry Division consists of the following elements:
* Division Special Troops Battalion
* 29th Infantry Brigade Combat Team (HI NG)
** 29th Brigade Special Troops Battalion
** 1st Squadron, 19th Cavalry Regiment (
** 1st Battalion, 158th Infantry Regiment (AZ NG)
** 100th Battalion, 442nd Infantry Regiment (Army Reserve)
** 1st Battalion, 487th Field Artillery Regiment
** 29th Brigade Support Battalion
* 40th (Infantry) Brigade Combat Team (CA NG)
** 40th Brigade Special Troops Battalion
** 1st Squadron, 18th Cavalry Regiment (RSTA)
** 1st Battalion, 184th Infantry Regiment
** 1st Battalion, 185th Infantry Regiment
** 1st Battalion, 144th Field Artillery Regiment
** 40th Brigade Support Battalion
* 41st (Infantry) Brigade Combat Team (OR NG)
** 41st Brigade Special Troops Battalion
** 1st Squadron, 82nd Cavalry Regiment (RSTA)
** 2nd Battalion, 162nd Infantry Regiment
** 1st Battalion, 186th Infantry Regiment
** 2nd Battalion, 218th Field Artillery Regiment
** 141st Brigade Support Battalion
* 81st (Heavy) Brigade Combat Team (WA NG)
** 81st Brigade Special Troops Battalion
** 1st Squadron, 203rd Cavalry Regiment (RSTA)
** 1st Battalion, 185th Armor Regiment (CA NG)
** 1st Battalion, 161st Infantry Regiment
** 2nd Battalion, 146th Field Artillery Regiment
** 181st Brigade Support Battalion
* Combat Aviation Brigade, 40th Infantry Division (CA NG)
Headquarters and Headquarters Company
** 2nd Squadron (Attack/Recon) (Assault), 18th Cavalry Regiment
** 2nd Battalion (GSAB), 140th Aviation Regiment
** 3rd Battalion (Assault), 140th Aviation Regiment
** 2nd Battalion (Attack/Recon), 211th Aviation Regiment
** Aviation Support Battalion
As of July
2006, as part of the Army National Guard's modularization process, the 40th Infantry Division is scheduled to reorganize into five brigade combat teams and one aviation brigade. According to the National Guard, the 40th Infantry Division will consist of the 29th Infantry Brigade Combat Team, the 40th Infantry Brigade Combat Team, the 41st Infantry Brigade Combat Team, the 207th Infantry Brigade Combat Team, the 81st Armored Brigade Combat Team, and the 40th Aviation Brigade). National Guard units from California, Oregon, Hawaii, Arizona, Washington, Alaska, New Mexico, Indiana, Nebraska, and Guamwill be part of the 40th Infantry Division once modularization is complete.
*Nickname: Sunshine Division.
*Shoulder patch: A dark blue diamond on which, in yellow, is the sun with 12 rays; the patch is worn diagonally.
*Association: 40th Infantry Division Association
The semi-sunburst was suggested as the unit's shoulder sleeve insignia, and represents the division's home of Southern California. The demi fleur-de-lis symbolizes service in France during World War I. The outer rim of the sun rays refers to the Philippine Presidential Unit Citation award. The red arrowhead alludes to firepower of the division and represents their assault landing at Luzon in World War II. The Torri gate, a symbol of the Far East, refers to the award of the Republic of Korea Presidential Unit Citation.
* [http://www.calguard.ca.gov/40div/Pages/default.aspx California National Guard, Fortieth Infantry Division (Mechanized)]
*"The Army Almanac: A Book of Facts Concerning the Army of the United States" U.S. Government Printing Office, 1950 reproduced at [http://www.army.mil/cmh-pg/lineage/cc/cc.htm CMH] .
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