23rd Infantry Division (United States)
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|23rd Infantry Division|
23rd Infantry Division shoulder sleeve insignia
|Branch||United States Army|
|Part of||Regular Army|
|Colors||Blue and white|
World War II
|Decorations||Presidential Unit Citation
Valorous Unit Award
Meritorious Unit Commendation
Republic Of Vietnam Gallantry Cross with Palm Unit Citation
|MG Alexander M. Patch, Jr.
BG Edmund Sebree
MG John R. Hodge
MG Robert B. McClure
MG William H. Arnold
MG Samuel W. Koster
MG James L. Baldwin
MG Frederick J. Kroesen
|Distinctive unit insignia|
The 23rd Infantry Division, more commonly known as the Americal Division, of the United States Army was activated 27 May 1942 on the island of New Caledonia. In the immediate emergency following Pearl Harbor, the United States had hurriedly sent three individual regiments to defend New Caledonia against a feared Japanese attack. This division was the only division formed outside of United States territory during World War II (a distinction it would repeat when reformed during the Vietnam War). At the suggestion of a subordinate, the division's commander, Major General Alexander Patch, requested that the new unit be known as the Americal Division—the name being a contraction of "American, New Caledonian Division". This was unusual, as most U.S. divisions are known by a number. After World War II the Americal Division was officially re-designated as the 23rd Infantry Division. However, it was rarely referred to as such, even on official orders.
During the Vietnam War the division had a mixed record. It combined solid service in numerous battles and campaigns with the My Lai massacre, which was committed by a platoon of the division's subordinate 11th Infantry Brigade, led by Lieutenant William Calley. The division was inactivated following its withdrawal from Vietnam in November 1971.
Operations in World War II
The 164th Infantry Regiment of the Americal Division went into action on Guadalcanal on 13 October 1942 alongside the 1st Marine Division as the first United States Army unit to conduct an offensive operation against the enemy in either the Pacific or European Theater of Operations during World War II. Eight other U.S. Army divisions began offensive combat operations in late 1942: the 32nd and the 41st Infantry Divisions in the Pacific on New Guinea; and in North Africa, the 1st, 3rd, 9th, and 34th Infantry Divisions, and the 1st and 2nd Armored Divisions.)
As the "square" divisions of the Army National Guard were being transitioned to the triangular division TO&E in 1942, they each "shed" an infantry regiment, leaving several trained and operational "orphan" regiments available for independent service.
The "line" regiments selected to form the Americal Division were the 132nd Infantry Regiment, formerly part of the 33rd Infantry Division of the Illinois National Guard, the 164th Infantry Regiment from North Dakota, and the 182nd Infantry Regiment from Massachusetts.
New Caledonia, a likely target for the Japanese for its critical strategic position on the lines of communication with New Zealand and Australia and its nickel and chrome mines, was now under the control of the Free French with a poorly equipped and trained native force and a company of Australian commandos.
On 14 March 1942, two days after the task force later to be known as the Americal Division landed in Nouméa, New Caledonia, the 182 Infantry was detailed to provide a special unit to be called Force A for advance occupation and outpost of the New Hebridies, a group of islands lying directly across the supply to U.S.
Assigned to this duty Co's L and M and attached units from Headquarters Co., Service Co., and Medical Det. plus a platoon of the 101st Engineers.
The total strength being in the vicinity of 480 men was in command of Brig. Gen Rose. That a B.G. should be placed in command of two infantry rifle companies indicated the degree of importance—and hazard—that G.H. G. placed upon the mission 
The men were assembled and told that Force A and 50 Australians held the most advanced outpost of the Allied Forces in the Pacific. No retreat is possible, No reinforcements can be relied on. Supply is unreliable and limited.
On 28 March 1942, a unit of Force A left an isolated coconut plantation called Euralia for Port Havanah with (2) 2nd lt and 22 men on a small auxiliary sailboat with equipment and 10 days' rations to begin their guerrilla action by gathering the native headhunters and plantation workers from the nearby islands as force extenders.
The United States Army was already building airfields with Australian labor on the island which according to early agreements fell into the British sector and delegated to the Australians for defense. The French objected to the arrangement and, increasingly worried about Japanese invasion, demanded American forces.
With pressing needs to build up defenses in Hawaii and Australia, Army planners decided to put together a force rather than commit an already organized division. The regiments available through the reorganization of divisions along with other elements made available a force of about 15,000 men. This force, designated Task Force 6184 and often mentioned as Poppy Force (New Caledonia was code named Poppy), under Brig. Gen. Alexander M. Patch, Jr. had the elements of a division and more in its composition. For example, there was a brigade headquarters from the 26th Division, two infantry regiments and a field artillery regiment along with support elements augmented by a battalion of light tanks, antiaircraft and coast artillery regiments and a pursuit squadron. The force's mission was to hold New Caledonia. It was an independent command, directly under the War Department in Washington.
Within two weeks, despite an urgent need of shipping elsewhere and at the cost of delaying and rearranging schedules elsewhere and consultations at the head of state level, Task Force 6184 along with some 4,000 troops destined for Australia were assembled in the largest single troop convoy, Designated BT-200 and totaling over 20,000 troops aboard seven transports, up until that time.[note 1] The convoy sailed from the New York Port of Embarkation on 23 January 1942[note 2] and reached Melbourne on 26 February.
This large and critical convoy was covered by a striking group and long range air between its intended position and Japanese forces arranged by Admiral King (COMINCH) with Admiral Nimitz (CINCPAC). Despite some desire locally to use the force to reinforce Australia or the Netherlands East Indies, under direct orders from Washington the force moved secretly, not even informing the French, to New Caledonia.
Transshipment of troops and equipment was completed in Melbourne and the seven transports departed on 7 March (Australian time) for New Caledonia as convoy ZK-7, arriving six days later. General Patch, preceding the force by air, had arrived on 5 March with news for the French that American forces were underway. Despite having no early prospect of reinforcements, another infantry regiment arrived in April, along with the authority to organize an infantry division from elements of the overall force and, in May, the Americal Division was organized.
In contrast to several other US Army divisions in the Pacific War, soldiers in the Americal division received extensive weapons training as well as company- and battalion-level exercises in jungle terrain while at New Caledonia. Under the command of General Patch, the Americal Division was the first US Army unit to be sent to Guadalcanal. Largely because of transport constraints, the Americal arrived piecemeal and was fed into combat alongside the battle-hardened and exhausted US 1st Marine Division, which it eventually relieved. Its soldiers were quick to assimilate from the Marines on Guadalcanal lessons on battle tactics against Japanese forces. Americal casualties were consequently less than what might be expected.
The 164th Infantry Regiment landed on Guadalcanal on 13 October 1942, ahead of its brother regiments, as emergency reinforcement for the 1st Marine Division. The Regiment was the first U.S. Army unit to engage in offensive action during World War II as part of the Battle of Guadalcanal. Between 24 and 27 October, elements of the regiment withstood repeated assaults from Japanese battalions and inflicted some two thousand enemy casualties; the 164th also supported and participated in Marine attacks. The First Marine Division's commander, Major General A. A. Vandegrift, was so impressed by the soldiers' stand that he issued a unit commendation to the regiment for having demonstrated "an overwhelming superiority over the enemy." In addition, General Vandegrift took the unusual step of awarding Lt. Colonel Robert Hall, commander of the 3rd Battalion, 164th, with the Navy Cross for his role in these battles. The 164th was then occasionally referred to as the '164th Marines' due to their special relationship with the Marines on Guadalcanal.
In November the 164th took part in the offensive across the Matanikau River. Other elements of the Division arrived piecemeal in the last few weeks of 1942.
In January 1943, the 132nd Infantry Regiment of the division took Hill 27 and 31 of the Mount Austen complex. The division later participated in offensives to sweep Guadalcanal of remaining Japanese resistance. After the last Japanese defenders were killed, captured, or evacuated from the island, the division was relieved on 9 February 1943.
Despite its ad-hoc formation, the Americal Division fought well at Guadalcanal. The 164th Regiment took part in repulsing a major Japanese offensive in October 1942, while the 132nd Regiment, along with the 25th Infantry Division assaulted the highly fortified Japanese Gifu defensive complex at Mount Austen in January 1943. Historians describe the Americal Division as the most effective of all the US Army divisions in that conflict. Following the withdrawal of the 1st Marine Division, the division continued operations on Guadalcanal as part of the U.S. XIV Corps with the 25th Infantry Division (who later earned their 'Tropic Lightning' nickname here) and the 2nd Marine Division (Arrived earlier as reinforcements to the 1st MarDiv) until all of the Japanese resistance had ended.
During the period 25 December 1943 to 12 January 1944 the Americal Division landed on Bougainville, relieving the 3rd Marine Division. They were given the task (alongside the 37th Infantry Division and a Marine defense battalion) of holding and extending the right half of a previously established perimeter.
Warned by intelligence, they met a massive and sustained Japanese counter-attack, which began on 7 March 1944. Despite ample warning and thorough defensive preparations, the battle soon degenerated into a bitter, close-quarters infantry affair, with artillery restricted by the need to avoid friendly troops and tanks unable to reach the scene. The 37th and Americal Divisions stood firm, and by 25 March, the Japanese were forced to retreat. It was the last Japanese ground offensive in the South Pacific.
The division went on the offensive in March 1944, driving the Japanese east of Mavavia River, 7–9 April 1944, and seizing numerous strategic hill bases during the remainder of the month. Training and long-range patrol activity continued until 30 November 1944 when the division was relieved.
On 8 January 1945, the division began movement to Leyte and Samar, to take part in cleaning out remaining Japanese forces on those islands, and to invade Biri, Capul, Ticao, and Burias. On Leyte, the division was relieved on 13 March 1945 and then landed on Cebu on 26 March, and seized the city and airfield by 28 March. Divisional combat teams made landings on Bohol, Negros, and Mindanao, where they cleared out pockets of resisting Japanese until 17 June when ordered to return to Cebu, arriving on 25 June. The Americal Division added by the newly local Filipino troops of the Philippine Commonwealth Army and Philippine Constabulary and the recognized guerrillas for the liberated in Visayas and Mindanao against the Japanese.
Training continued on Cebu for the proposed invasion of Japan, but the Japanese surrendered on 14 August 1945. On 10 September 1945, the Americal Division landed in Japan and took part in the occupation of the Yokohama–Kawasaki–Yokosuka area.
The division returned to the United States on 21 November 1945, and was inactivated on 12 December 1945. It was reactivated on 1 December 1954 as the 23rd Infantry Division, retaining the name "Americal" as part of its official designation. On 2 December 1954 the 65th Infantry Regiment was assigned to the division. The 23rd Division encompassed geographically-separated units in the Caribbean region. On 10 April 1956, the 65th Infantry Regiment was inactivated at Camp Losey, Puerto Rico, and relieved from assignment to the 23d, which itself was inactivated.
The division served in the Panama Canal Zone until 10 April 1956, when it was again inactivated.
The Americal was reactivated 25 September 1967 at Chu Lai in Vietnam from a combination of units already in Vietnam and newly arrived units. Its precursor, a division-sized task force known as Task Force Oregon was created in Quảng Ngãi and Quảng Tín provinces from the 3rd Brigade of the 25th Infantry Division, the 1st Brigade of the 101st Airborne Division, and the 196th Light Infantry Brigade (all separate brigades that deployed to Vietnam in 1966). Task Force Oregon operated in close cooperation with the 1st Marine Division in the I Corps Military Region. As more US Army units arrived in Vietnam the two divisional brigades were released back to their parent organizations and two arriving separate brigades were assigned to Task Force Oregon, which was in turn re-designated the 23rd Infantry Division (Americal). The division was composed of the 11th, 196th, and 198th Light Infantry Brigades and divisional support units. Both the 11th and 198th brigades were newly formed units.
The Americal, in Vietnam, suffered an important defeat at the Battle of Kham Duc but gave a solid performance during the Tet Offensive, The Battle of LoGiang and the Battle of Nui Hoac Ridge (Hill 352). Platoon Sergeant Finnis McCleery was awarded the Medal of Honor for his valiant efforts on Hill 352. Sgt. Alan Allen was awarded the Silver Star for this same battle. Both men were members of A Co. 1/6 198th. 20 men from A Company were lost in the Battle of LoGiang on 8 February 1968. A Co. of the 198th was awarded the Presidential Unit Citation for its heroic efforts in the Battle of LoGiang, 8 February 1968.
The Americal Division became notorious after a platoon of troops from the division led by Lieutenant William Calley slaughtered hundreds of South Vietnamese civilians in the My Lai Massacre in March 1968. A helicopter crew from the division's 123rd Aviation Battalion, led by Hugh Thompson, Jr., attempted to intervene in the massacre and were later awarded the Soldier's Medal. Seymour Hersh broke the story of the massacre in November 1969, and a year later 14 officers – including Samuel W. Koster, the division's commanding officer – were charged with covering the massacre up. Most of the charges were later dropped, but Koster was subsequently demoted and stripped of his Distinguished Service Medal.
The 198th and 11th Brigades were withdrawn from Vietnam in November 1971, and the division was inactivated. The 196th Brigade was reconstituted as a separate brigade and remained in Vietnam until 29 June 1972, the last major combat unit to be withdrawn. Its 3rd Battalion, 21st infantry (Gimlets) was the last U.S. maneuver battalion to leave Vietnam, on 23 August 1972.
The shoulder sleeve insignia was originally approved for the Americal Division on 20 December 1943. It was redesignated for the 23d Infantry Division on 4 November 1954. On 14 December 1967 the distinctive unit insignia was approved.
The shoulder sleeve insignia's four white stars on a blue field are symbolic of the Southern Cross under which the organization has served. The blue color stands for infantry.
On the distinctive unit insignia, the blue saltire (cross of St. Andrew) alludes to New Caledonia in the Southwest Pacific where the division was created and first activated on 27 May 1942. Each of the four white stars stands for the Southern Cross constellation on its division insignia, as well as the four World War II campaigns (Guadalcanal, Northern Solomons, Leyte and Southern Philippines) in which the division participated. The anchor refers to the Presidential Unit Citation (Navy) awarded the division for Guadalcanal. The red arrowhead and Philippine sun stand for the assault landing, Southern Philippines, and the award of the Philippine Presidential Unit Citation (7 October 1944 to 4 July 1945). The unsheathed sword with point to top refers to Vietnam where the division was active. In view of the division's origin and outstanding service in World War II and inasmuch as it was one of the few U.S. Army divisions to bear a name instead of a number, the division's former name "Americal" has been taken as a motto, the association with that name being both inspirational and of historical military significance.
MG Alexander M. Patch, Jr. (May–December 1942)
BG Edmund Sebree (January–May 1943)
MG John R. Hodge (May 1943 – April 1944)
MG Robert B. McClure (April–October 1944)
MG William H. Arnold (November 1944 to WW II inactivation)
MG Samuel W. Koster (October 1967 – June 1968)
MG Charles M. Gettys (June 1968 – June 1969)
MG Lloyd B. Ramsey (June 1969 – March 1970)
MG Albert E. Milloy (March–November 1970)
MG James L. Baldwin (November 1970 – July 1971)
MG Frederick J. Kroesen (July–November 1971 (Vietnam inactivation))
Notable former members
- Nicky Daniel Bacon, Medal of Honor recipient 26 August 1968 action
- Rocky Bleier, wounded 20 August 1969 recovered to play in the NFL
- William Calley
- Michael Joseph Cresenz, Medal of Honor recipient 20 November 1968 action
- Kern Wayne Dunagan, Medal of Honor recipient 13 May 1969 action
- Jesse Ray Drowley, Medal of Honor recipient 30 January 1944 action
- Woodrow W. (Woody) Keeble
- Charles Kettles, 1967-1970, Medal of Honor recipient 15 May 1967 action
- Tracy Kidder, 1968–69
- GEN Frederick James Kroese, former Army Vice Chief of Staff and NATO Commander
- Frederick Lippitt
- Finnis Dawson McCleery, Medal of Honor recipient 14 May 1968 action
- Thomas Joseph McMahon, Medal of Honor recipient 19 March 1969 action
- Ernest Medina
- Marc W. Miller
- Robert Charles Murray, Medal of Honor recipient 14 May 1969 action
- Tim O'Brien, 1969–70
- Colin Powell, 1968–70
- Robert Joseph Pruden, Medal of Honor recipient 29 November 1969 action
- Tom Ridge, 1969–70
- H. Norman Schwarzkopf, 1969–70
- Daniel John Shea, Medal of Honor recipient 14 May 1969 action
- Donald Paul Sloat, Medal of Honor recipient 17 January 1970 action
- Lester Raymond Stone, Jr., Medal of Honor recipient 3 March 1969 action
- James Allen Taylor, Medal of Honor recipient 9 November 1967 action
- David Francis Winder, Medal of Honor recipient 13 May 1970 action
- Patrick Henry Brady, attached to Americal-CMOH 6 January 1968
- The transports were: Argentina (1929) 20,614 GRT, Cristobal (1939) 10,021 GRT, USAT J . W. McAndrew (1940) 7,997 GRT, John Ericsson (1928) 16,552 GRT, Santa Elena (1933) 9,135 GRT, Santa Rosa (1932) 9,135 GRT and USAT Thomas H. Barry (1930) 11,250 GRT.
- The date commonly given. Some sources, particularly Leighton & Coakley, state "cleared New York Harbor late on the 22d" so it is possible there is some confusion in GMT/local time references.
- Williams 1960, p. 39.
- U.S. Army Center of Military History: Americal (Infantry) Division.
- Stanton, Shelby. The Rise and Fall of an American Army. Presidio Press, 1985. p. 186.
- comment from the source, a personal diary of 2nd Lt. R.M. Whittet 1941–1944 A 330391
- Morton 1962, pp. 204–212.
- Leighton 1955-68, pp. 177–185.
- Nimitz & 1942 311606 Jan COMINCH TO CINCPAC.
- Gill 1968, p. 6.
- "Department of the Army General Order 42" (PDF). US Army. Retrieved 20 July 2013.
- "My Lai Massacre". History.com. History.com. Retrieved 20 July 2013.
- Goodman, Amy. "Hugh Thompson's Crewmember Remembers Helping to Stop the My Lai Massacre". Democracy Now. Retrieved 20 July 2013.
- Stout, David (11 Feb 2006). "Gen. S.W. Koster, 86, Who Was Demoted After My Lai, Dies". New York Times. Retrieved 20 July 2013.
- Office of the Administrative Assistant to the Secretary of the Army. The Institute of Heraldry. 23d Infantry Division. Retrieved on 11 May 2012.
- Gill, G. Hermon (1968). Royal Australian Navy 1939–1942. Australia in the War of 1939–1945. Series 2 – Navy. 2. Canberra: Australian War Memorial.
- Leighton, Richard M; Coakley, Robert W (1955–68). The War Department — Global Logistics And Strategy 1940–1943. United States Army In World War II. Washington, D.C.: Center Of Military History, United States Army. LCCN 55-60001.
- Morton, Louis (1962). The War in the Pacific—Strategy and Command: The First Two Years. United States Army In World War II. Washington, D. C.: Center Of Military History, United States Army. LCCN 61-60001.
- Nimitz, Chester W., Admiral (USN); Steele, James M., Captain (USN) (1942). ‘Gray Book’ — War Plans and Files of the Commander-in-Chief, Pacific Fleet; Running Estimate and Summary maintained by Captain James M. Steele, USN, CINCPAC staff at Pearl Harbor, Hawaii, covering the period 7 December 1941–31 August 1942. (PDF). 1 of 8 volumes. Operational Archives, Naval History and Heritage Command, Washington Navy Yard, Washington, D.C.
- Stanton, Shelby L. (1985). The Rise and Fall of an American Army. Presidio Press.
- U.S. Army Center of Military History, Force Structure and Unit History Branch (29 May 2008). "Americal (Infantry) Division". Army Almanac: A Book of Facts Concerning the Army of the United States. U.S. Government Printing Office. Retrieved 5 August 2008.
- Whittet, R.M. (1941). Force A of the Americal 1941–1944. Boston: The Commonwealth of Massachusetts testimonial Governor Maurice Tobin.
- Williams, Mary H. (1960). Chronology 1941–1945. United States Army In World War II. Washington, D.C.: Center Of Military History, United States Army. LCCN 59-60002.
- Americal Division: Under the Southern Cross. Turner Pub. 1996. ISBN 1563111780. OCLC 38092324.
- Eric Bergerud, Touched with Fire: the Land War in the South Pacific, Penguin, 1996. ISBN 0-14-024696-7
- Chesley, Raymond G. (1996). Surrender, Armistice: Grandpa's War Stories. R.G. Chesley. ISBN 096541440X. OCLC 37293105.
- Cronin, Francis D. (1951). Under the Southern Cross – The Saga of the Americal Division. Washington, D.C.: Combat Forces Press. ISBN 0-394-58875-4.
- George, John B. (2012). Shots Fired in Anger: A Rifleman's-Eye View of the Activities on the Island of Guadalcanal, in the Solomons, During the Elimination of the Japanese Forces There by the American Army Under General Patch Whose Troops Included the 132nd Infantry of the Illinois National Guard, a Combat Unit of the Americal Division. Buford, Georgia: Canton Street Press. ISBN 9781934044292. OCLC 828482684.
- Teglia, Kenneth F. (2012). Lamb in a Jungle: Conscience and Consequence in the Vietnam War. War Journal Publishing. ISBN 9780983268314. OCLC 830634831.