Americal Division
Encyclopedia
The 23rd Infantry Division, more commonly known as the Americal Division of the United States Army
United States Army
The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

 was formed in May 1942 on the island of New Caledonia
New Caledonia
New Caledonia is a special collectivity of France located in the southwest Pacific Ocean, east of Australia and about from Metropolitan France. The archipelago, part of the Melanesia subregion, includes the main island of Grande Terre, the Loyalty Islands, the Belep archipelago, the Isle of...

. In the immediate emergency following Pearl Harbor
Attack on Pearl Harbor
The attack on Pearl Harbor was a surprise military strike conducted by the Imperial Japanese Navy against the United States naval base at Pearl Harbor, Hawaii, on the morning of December 7, 1941...

, the United States had hurriedly sent three individual regiments to defend New Caledonia against a feared Japanese attack. This division was formed as one of only two un-numbered divisions to serve in the Army during World War II. At the suggestion of a subordinate, the division's commander, Major General
Major General
Major general or major-general is a military rank used in many countries. It is derived from the older rank of sergeant major general. A major general is a high-ranking officer, normally subordinate to the rank of lieutenant general and senior to the ranks of brigadier and brigadier general...

 Alexander Patch
Alexander Patch
General Alexander McCarrell "Sandy" Patch was an officer in the United States Army, best known for his service in World War II. He commanded Army and Marine forces during the invasion of Guadalcanal, and the U.S...

, 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, despite its exemplary service in numerous battles and campaigns, the name of the division unfortunately became associated with the My Lai massacre
My Lai Massacre
The My Lai Massacre was the Vietnam War mass murder of 347–504 unarmed civilians in South Vietnam on March 16, 1968, by United States Army soldiers of "Charlie" Company of 1st Battalion, 20th Infantry Regiment, 11th Brigade of the Americal Division. Most of the victims were women, children , and...

, which was committed by a renegade platoon of the division's subordinate 11th Infantry Brigade, led by Lieutenant William Calley.

Combat operations summary

The 164th Infantry Regiment
164th Infantry Regiment (United States)
The 164th Infantry Regiment, an activated regiment of the North Dakota National Guard, was the first United States Army unit on Guadalcanal.-World War I and interwar years:...

 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
Pacific Theater of Operations
The Pacific Theater of Operations was the World War II area of military activity in the Pacific Ocean and the countries bordering it, a geographic scope that reflected the operational and administrative command structures of the American forces during that period...

 or European Theater of Operations
European Theater of Operations
The European Theater of Operations, United States Army was a United States Army formation which directed U.S. Army operations in parts of Europe from 1942 to 1945. It referred to Army Ground Forces, United States Army Air Forces, and Army Service Forces operations north of Italy and the...

. (Seven 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
New Guinea campaign
The New Guinea campaign was one of the major military campaigns of World War II.Before the war, the island of New Guinea was split between:...

; and in North Africa
Operation Torch
Operation Torch was the British-American invasion of French North Africa in World War II during the North African Campaign, started on 8 November 1942....

, the 9th and 3rd Infantry Divisions, and the 2nd Armored Division.)

Elements of the Americal Division defended Henderson Field
Henderson Field
Henderson Field is the name of several airports:* Henderson Field on Guadalcanal Island in the Solomon Islands, renamed to Honiara International Airport in 2003....

 against heavy enemy attacks on 23–25 October 1942, and the following month took part in the offensive across the Matanikau River
Matanikau River
The Matanikau River of Guadalcanal, Solomon Islands, is located in the northwest part of the island. During the World War II Guadalcanal campaign, several significant engagements occurred between United States and Japanese forces near the river.-References:...

. In January 1943, the 132nd Infantry Regiment
132nd Illinois Volunteer Infantry Regiment
The 132nd Regiment Illinois Volunteer Infantry is an infantry regiment that first served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end...

 of the Division took Hill 27 and 31 of the Mount Austen
Battle of Mount Austen, the Galloping Horse, and the Sea Horse
The Battle of Mount Austen, the Galloping Horse, and the Sea Horse, part of which is sometimes called the Battle of the Gifu, took place from 15 December 1942 to 23 January 1943 and was primarily an engagement between United States and Imperial Japanese forces in the hills near the Matanikau River...

 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.

The Division next moved to the Fiji
Fiji
Fiji , officially the Republic of Fiji , is an island nation in Melanesia in the South Pacific Ocean about northeast of New Zealand's North Island...

 Islands, beginning 5 March 1943, to assume the defense of the main island of Viti Levu
Viti Levu
Viti Levu is the largest island in the Republic of Fiji, the site of the nation's capital, Suva, and home to a large majority of Fiji's population.- Geography and economy :...

 and to engage in extensive training. During the period 25 December 1943 to 12 January 1944 the Americal Division landed on Bougainville, relieving the 3rd Marine Division and was given the task of holding and extending the right half of a previously established perimeter. The Division went on the offensive in March 1944, driving the Japanese east of Mavavia River, 7–9 April, 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
Leyte Island
Leyte is an island in the Visayas group of the Philippines.The island measures about 180 km north-south and about 65 km at its widest point. In the north it nearly joins Samar, separated by the San Juanico Strait, which becomes as narrow as 2 km in some places...

 and Samar
Samar Island
Samar is an island in the Visayas, within the central Philippines. The island is divided into three provinces: Samar province, Northern Samar, and Eastern Samar. These three provinces, along with the provinces on the nearby islands of Leyte and Biliran are part of the Eastern Visayas region...

, to take part in cleaning out remaining Japanese forces on those islands, and to invade Biri
Biri
-Places:*Biri, Norway, a village and former municipality in Norway*Biri, Hungary, a village in Hungary*Biri, Northern Samar, a municipality in the Philippines*Biri, India, a village in Jaunpur, India*Block Island, an island town in Rhode Island, -Places:*Biri, Norway, a village and former...

, Capul, Ticao, and Burias. Relieved, 13 March 1945, on Leyte, the Division landed on Cebu
Cebu Island
Cebu is an island of the Philippines. It is the main island of Cebu Province at the center of the Visayan Islands, south of Manila.It lies to the east of Negros Island; to the east is Leyte and to the southeast is Bohol Island. It is flanked on both sides by the Cebu Strait and Tañon Strait...

, 26 March, and seized the city and airfield by 28 March. Divisional combat teams made landings on Bohol
Bohol Island
Bohol Island is the main island of Bohol Province in the Visayas. It lies southeast from Cebu Island across Cebu Strait and southwest from Leyte Island, separated by the Camotes Sea and Canigao Channel...

, Negros, and Mindanao, where they cleared out pockets of resisting Japanese until 17 June when ordered to return to Cebu, arriving on 25 June.

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
Yokohama
is the capital city of Kanagawa Prefecture and the second largest city in Japan by population after Tokyo and most populous municipality of Japan. It lies on Tokyo Bay, south of Tokyo, in the Kantō region of the main island of Honshu...

-Kawasaki
Kawasaki, Kanagawa
is a city located in Kanagawa Prefecture, Japan, between Tokyo and Yokohama. It is the 9th most populated city in Japan and one of the main cities forming the Greater Tokyo Area and Keihin Industrial Area....

-Yokosuka area.
Guadalcanal


As the "square
Square division
A square division is a designation given to the way military divisions are organized. In a square organization, the division's main body is composed of four regimental elements. Since a regiment could be split into separate battalions for tactical purposes, the natural division within a division...

" divisions
Division (military)
A division is a large military unit or formation usually consisting of between 10,000 and 20,000 soldiers. In most armies, a division is composed of several regiments or brigades, and in turn several divisions typically make up a corps...

 of the Army National Guard
United States National Guard
The National Guard of the United States is a reserve military force composed of state National Guard militia members or units under federally recognized active or inactive armed force service for the United States. Militia members are citizen soldiers, meaning they work part time for the National...

 were being transitioned to the triangular division
Triangular division
A triangular division is a designation given to the way divisions are organized. In a triangular organization, the division's main body is composed of three regimental maneuver elements. These regiments may be controlled by a brigade headquarters or directly subordinated to the division commander...

 TO&E
Table of Organization and Equipment
A table of organization and equipment is a document published by the U.S. Department of Defense which prescribes the organization, staffing, and equippage of units. Also used in acronyms as 'T/O' and 'T/E'....

 in 1942, they each "shed" an infantry
Infantry
Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...

 regiment, leaving several trained and operational "orphan" regiments available for independent service.

For morale purposes, the Army
United States Army
The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

 decided to form three of these units into a new infantry
Infantry
Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...

 division
Division (military)
A division is a large military unit or formation usually consisting of between 10,000 and 20,000 soldiers. In most armies, a division is composed of several regiments or brigades, and in turn several divisions typically make up a corps...

. The "line
Line infantry
Line infantry is a type of infantry which composed the basis of European land armies from the middle of the 17th century to the middle of the 19th century....

" regiments selected were the 132nd Infantry Regiment
132nd Illinois Volunteer Infantry Regiment
The 132nd Regiment Illinois Volunteer Infantry is an infantry regiment that first served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end...

, formerly part of the 33rd Infantry Division of the Illinois
Illinois
Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

 National Guard
United States National Guard
The National Guard of the United States is a reserve military force composed of state National Guard militia members or units under federally recognized active or inactive armed force service for the United States. Militia members are citizen soldiers, meaning they work part time for the National...

, the 164th Infantry Regiment
164th Infantry Regiment (United States)
The 164th Infantry Regiment, an activated regiment of the North Dakota National Guard, was the first United States Army unit on Guadalcanal.-World War I and interwar years:...

 from North Dakota
North Dakota
North Dakota is a state located in the Midwestern region of the United States of America, along the Canadian border. The state is bordered by Canada to the north, Minnesota to the east, South Dakota to the south and Montana to the west. North Dakota is the 19th-largest state by area in the U.S....

, and the 182nd Infantry Regiment
182nd Infantry Regiment (United States)
The 182nd Infantry Regiment shares the distinction of being the oldest regiment in the United States Army. The regiment traces its history more than 370 years, when it was a colonial regiment of foot of the British Crown in Massachusetts...

 from Massachusetts
Massachusetts
The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...

.

Under the command of General Patch, the Americal Division was the first US Army unit to be sent to Guadalcanal
Guadalcanal
Guadalcanal is a tropical island in the South-Western Pacific. The largest island in the Solomons, it was discovered by the Spanish expedition of Alvaro de Mendaña in 1568...

, where it eventually relieved the exhausted US 1st Marine Division.

Largely because of transport constraints, the Americal arrived piecemeal, and was fed into combat alongside the battle-hardened Marines
United States Marine Corps
The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...

. In contrast to several other US Army divisions in the Pacific War
Pacific War
The Pacific War, also sometimes called the Asia-Pacific War refers broadly to the parts of World War II that took place in the Pacific Ocean, its islands, and in East Asia, then called the Far East...

, soldiers in the Americal division received extensive weapons training as well as company- and battalion-level exercises in jungle terrain while at New Caledonia; its soldiers were also quick to assimilate lessons on battle tactics against Japanese forces from the Marines on Guadalcanal. Americal casualties were consequently less than what might otherwise be expected. 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 assaulted the highly fortified Japanese Gifu defensive complex at Mount Austen
Battle of Mount Austen, the Galloping Horse, and the Sea Horse
The Battle of Mount Austen, the Galloping Horse, and the Sea Horse, part of which is sometimes called the Battle of the Gifu, took place from 15 December 1942 to 23 January 1943 and was primarily an engagement between United States and Imperial Japanese forces in the hills near the Matanikau River...

 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 until all of the Japanese resistance had ended.
Bougainville

Later in World War II the Americal Division (alongside the 37th Infantry Division, a Marine defense battalion, and supporting units) took up positions on the newly invaded island of Bougainville
Bougainville Province
The Autonomous Region of Bougainville, previously known as North Solomons, is an autonomous region in Papua New Guinea. The largest island is Bougainville Island , and the province also includes the island of Buka and assorted outlying islands including the Carterets...

, and warned by intelligence of the storm to come, utterly defeated 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.

Postwar

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, and served in the Panama Canal Zone
Panama Canal Zone
The Panama Canal Zone was a unorganized U.S. territory located within the Republic of Panama, consisting of the Panama Canal and an area generally extending 5 miles on each side of the centerline, but excluding Panama City and Colón, which otherwise would have been partly within the limits of...

 until 10 April 1956, when it was again inactivated.

Vietnam

The Americal was reactivated in 1967 in Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

. A division-sized task force known as TASK FORCE OREGON was created in Quang Ngai
Quang Ngai Province
Quảng Ngãi is a province in the South Central Coast region of Vietnam, on the coast of South China Sea. It is located 883 km south of Hanoi and 838 km north of Ho Chi Minh City.-History:...

 and Quang Tin
Quang Tin
Quảng Tín was a province of South Vietnam. It was created from the part of Quang Nam province on the south side of the Que Son Valley on July 31, 1962. The capital was Tam Ky. During the Vietnam War it was the site of heavy fighting, including Operation Union I & II...

 provinces with brigades from the 25th Infantry Division and 101st Airborne Division
101st Airborne Division (United States)
The 101st Airborne Division—the "Screaming Eagles"—is a U.S. Army modular light infantry division trained for air assault operations. During World War II, it was renowned for its role in Operation Overlord, the D-Day landings on 6 June 1944, in Normandy, France, Operation Market Garden, the...

, as well as the 196th Light Infantry Brigade, an independent brigade that deployed to Vietnam in 1966, to operate in close cooperation with the 1st Marine Division. As new U.S. brigades arrived in Vietnam, they were assigned to Task Force Oregon, which was re-designated the 23rd Infantry Division (Americal). The Division was composed of the 11th
11th Infantry Brigade (United States)
The 11th Infantry Brigade was an infantry brigade of the United States Army. It was first formed as part of the United States Army's 6th Division during World War I, however it is best known for its service as a separate Brigade in the Vietnam War...

, 196th, and 198th Light Infantry Brigades
198th Infantry Brigade (United States)
The 198th Infantry Brigade, was first formed as part of the United States Army Reserve's 99th Division. It was active from 1967 through 1971 and has been active since 2007 as an Infantry Training Brigade as part of the US Army Infantry School at Fort Benning, Georgia.- Vietnam War :During the...

 and divisional support units.

The Americal, in Vietnam, suffered a major defeat at the Battle of Kham Duc
Battle of Kham Duc
The Battle of Kham Duc was a major battle of the Vietnam War, also known in Vietnam as the American War. The event occurred in Quang Tin Province , South Vietnam, between May 10 and May 12, 1968. During the Tet Offensive of 1968, the Vietnam People's Army 2nd Division tried to capture Da Nang but...

 but was noted for its exemplary performance during TET, The Battle of LoGiang and the Battle of Nui Hoac Ridge (Hill 352). Platoon Sergeant PSG. Finnis McCleary was awarded the Medal of Honor for his valiant efforts on Hill 352. Sgt. Alan Allen was awarded the Silver Star for this same conflict. 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 Feb. 1968.

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 was the last U.S. maneuver battalion to leave Vietnam, on 23 August 1972.

Insignia

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
Guadalcanal campaign
The Guadalcanal Campaign, also known as the Battle of Guadalcanal and codenamed Operation Watchtower by Allied forces, was a military campaign fought between August 7, 1942 and February 9, 1943 on and around the island of Guadalcanal in the Pacific theatre of World War II...

, Northern Solomons
Solomon Islands campaign
The Solomon Islands campaign was a major campaign of the Pacific War of World War II. The campaign began with Japanese landings and occupation of several areas in the British Solomon Islands and Bougainville, in the Territory of New Guinea, during the first six months of 1942...

, Leyte
Leyte
Leyte is a province of the Philippines located in the Eastern Visayas region. Its capital is Tacloban City and occupies the northern three-quarters of the Leyte Island. Leyte is located west of Samar Island, north of Southern Leyte and south of Biliran...

 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
Presidential Unit Citation (Philippines)
The Philippine Presidential Unit Citation is a decoration of the Republic of the Philippines which has been awarded to certain units of the United States military for actions both during and subsequent to the Second World War....

 (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.

Notable members

  • H. Norman Schwarzkopf, 1969–1970
  • Colin Powell
    Colin Powell
    Colin Luther Powell is an American statesman and a retired four-star general in the United States Army. He was the 65th United States Secretary of State, serving under President George W. Bush from 2001 to 2005. He was the first African American to serve in that position. During his military...

    , 1968–1970
  • Tom Ridge
    Tom Ridge
    Thomas Joseph "Tom" Ridge is an American politician who served as a member of the United States House of Representatives , the 43rd Governor of Pennsylvania , Assistant to the President for Homeland Security , and the first United States Secretary of Homeland Security...

    , 1969–1970
  • Tracy Kidder
    Tracy Kidder
    John Tracy Kidder is a Pulitzer Prize-winning American writer of the 1981 nonfiction narrative, The Soul of a New Machine, about the creation of a new computer at Data General Corporation...

    , 1968–1969
  • Tim O'Brien
    Tim O'Brien (author)
    Tim O'Brien is an American novelist who often writes about his experiences in the Vietnam War and the impact the war had on the American servicemen who fought there...

    , 1969–1970
  • James Byrnes
    James Byrnes
    James Byrnes may refer to:*James F. Byrnes , American statesman from South Carolina*Jim Byrnes , American actor and blues musician*James Byrnes , New South Wales politician...

    , 1968
  • William Calley
    William Calley
    William Laws Calley is a convicted American war criminal and a former U.S. Army officer found guilty of murder for his role in the My Lai Massacre on March 16, 1968, during the Vietnam War.-Early life:...


Further reading

  • Eric Bergerud, Touched with Fire: the Land War in the South Pacific, Penguin, 1996. ISBN 0-14-024696-7

External links

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