Americal Division (United States)

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The Americal Division of the United States Army was formed in 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 formed as one of only two un-numbered divisions to serve in the Army during World War II. After World War II the Americal Division was officially re-designated as the 23rd Infantry Division.

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.

The division used a dark blue shield-shaped patch bearing the four stars making up the constellation Crux or Southern Cross.

Operational history

World War II

Guadalcanal

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.

For morale purposes, the Army decided to form three of these units into a new infantry division. The "line" regiments selected were the 132nd Infantry Regiment of the Illinois National Guard, the 164th Infantry Regiment from North Dakota, and the 182nd Infantry Regiment from Massachusetts.

Under the command of Patch, the Americal Division was the first US Army unit to be sent to Guadalcanal, 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, and thus, in contrast to several other US Army divisions in the Pacific War, was able to learn the practical art of war against the Japanese without suffering as many casualties as might otherwise have occurred. Despite its ad-hoc formation, the Americal Division fought well at Guadalcanal, the 164th Regiment taking on a key role in the defeat of the major Japanese offensive in October 1942, and historians describe it as the most effective of all the US Army divisions in that conflict. Following the withdrawal of the U.S. 1st Marine Division, Americal continued the fighting 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, 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 March 25, the Japanese were forced to retreat. It was the last Japanese ground offensive in the South Pacific.

The Division was deactivated at the end of the war. It was reactivated on December 1, 1954 as the 23rd Infantry Division, retaining the name "Americal" as part of its official designation, and served in the Panama Canal Zone until April 10, 1956, when it was again inactivated.

Vietnam

The Division was reactivated in 1967 in Vietnam. A division-sized task force known as TASK FORCE OREGON was created in Quang Ngai and Quang Tin provinces with brigades from the 25th Infantry Division and 101st Airborne Division, 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, 196th, and 198th Light Infantry Brigades and divisional support units. The Division acquired a negative reputation in Vietnam, in part because two of its brigades, the 11th and 198th, arrived as the division was formed in 1967 without prior combat experience and inadequate unit training.

My Lai Massacre

One of the companies of the 11th LIB (C Company, 1st Battalion 20th Infantry), with Lieutenant William Calley as a platoon leader, was responsible for the My Lai Massacre. Another company, part of the 196th LIB, suffered severe casualties when overrun by Vietnamese sapper units at the Battle of FSB Mary Ann in March 1971, further embarrassing the division. The aftermath of the attack resulted in the relief of the brigade and division commanders.

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 June 29, 1972, the last major combat unit to be withdrawn. Its 3rd Battalion 21st infantry was the last battalion to leave Vietnam, on August 23, 1972.

Notable soldiers

Both Generals H. Norman Schwarzkopf and Colin Powell served in the Americal Division in Vietnam, in 1967-68 and 1968-69 respectively. American authors Tracy Kidder (1968-1969) and Tim O'Brien (1969-1970) also served in the Americal in Vietnam.

References

External links

The 164th Regiment
http://www.americal.org/

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