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27th Marine Regiment
27th Marine Regiment
	27th Marine Regiment emblem
Active	1944 – 46; 1966 – 69
Country	United States of America
Branch	United States Marine Corps
Type	Infantry
Part of	5th Marine Division
Engagements	World War II Battle of Iwo Jima; Vietnam War Operation Allen Brook;
Commanders
Notable; commanders	Thomas A. Wornham

The 27th Marine Regiment (27th Marines) is an inactivated infantry regiment of the United States Marine Corps. They fought during the battle of Iwo Jima in World War II and again for a short time during the Vietnam War.

Subordinate units

The regiment comprised three infantry battalions, a headquarters and service company, and a weapons company:

Battalions
Headquarters & Service Company
1st Battalion, 27th Marines (1/27)
2nd Battalion, 27th Marines (2/27)
3rd Battalion, 27th Marines (3/27)
Weapons Company

History

World War II

The 27th Marine Regiment was activated on 10 January 1944, as a result of the massive increase in the Marine Corps during World War II. The regiment first saw action during the Battle of Iwo Jima. During the course of the battle they suffered 566 killed, 1,706 wounded, and had 4 Marines receive the Medal of Honor. After the surrender of Japan the regiment was inactivated on 10 January 1946.

Vietnam War

The 27th Marines was again reactivated during the Vietnam War on 1 January 1966, but was mainly used as a pool for new replacements before they went overseas. The 1st Battalion based at Marine Corps Air Station Kaneohe Bay, Hawaii was the only battalion with personnel assigned in 1966.^[1]

During 1967 the 2nd and 3rd Battalions stationed on the east coast of the U.S. were brought up to strength.^[2]

On 12 February 1968 in response to the Tet Offensive, President Lyndon B. Johnson authorized an increase in U.S. troop strength in South Vietnam and the 27th Marines was one of the units sent. On 10 and 12 February, the 1st Battalion, 27th Marines, at Hawaii had embarked on board the USS Vancouver, USS Bexar and the USS Washburn to participate in two landing exercises on Okinawa, but with the new orders the ships proceeded to Da Nang. Between 14 and 21 February, the rest of regimental landing team (RLT) 27 deployed by sea and air from Camp Pendleton to Da Nang. Military Airlift Command planes flew more than 3,300 men of the regiment from California to Vietnam. By 17 February, the 27th Marines headquarters, together with those of battalion landing teams (BLT) 2/27 and 3/27 opened their command posts at Da Nang. The forces arriving as part of RLT 27 also included personnel from the artillery battalion, 2nd Battalion, 13th Marines. On 21 February, the USS Thomaston departed Naval Base San Diego with the surface elements of the RLT, some 200 personnel and over 5,000 tons of equipment. By the end of the month, the 1st Battalion had joined the other two battalions of the regiment at Da Nang.^[3]^: 227 By the end of February, the 2nd Battalion relieved the 3rd Battalion, 5th Marines and the 3rd Battalion relieved the 2nd Battalion, 3rd Marines in the southwest Da Nang tactical area of responsibility (TAOR).^[3]^: 228–9 During March the 1/27th Marines remained in reserve while the other two battalions conducted over 2,900 small unit patrols throughout its TAOR resulting in about 310 contacts, 182 initiated by the Marines and the remainder by the Vietcong (VC).^[3]^: 248 At the end of March 1/27th Marines was moved north to provide security of Route 1 between Huế and Phu Bai Combat Base and the protection of Tân Mỹ Base.^[3]^: 249

On 5 May a seven-man ambush patrol from the 1st Battalion murdered five South Vietnamese civilians near Huế. Five of the seven Marines were convicted of murder.^[4]

On 13 May elements of the 3rd Battalion joined Operation Allen Brook. The entire regiment later joined the operation and assumed operational control until 3 August.^[3]^: 329–43

The deployment of the regiment overseas was only intended to be temporary and in March Johnson instructed that it was to return to the U.S. by 15 July, but this was delayed until September due to delays in the training of replacement United States Army forces.^[3]^{: 375, 578} The deployment had put a severe strain on manpower in the Marine Corps.^[5]

While the regiment was preparing for its redeployment to the U.S. in August the VC launched their Phase III offensive and 1st Battalion participated in the defense of Danang Air Base while the 2nd Battalion participated in operations to cut off the retreating VC and People's Army of Vietnam (PAVN) forces.^[3]^: 376–82

By late August the 1st Marine Regiment had arrived in the Da Nang TAOR and it began to relieve the Regiment.^[3]^: 383 On 12 September, the first planeload of Regiment Marines left for Okinawa and on 17 September the last of BLT 1/27 arrived in Hawaii.^[3]^: 579

A homecoming parade was presented as a Memorial Ceremony downtown San Diego to the lives the regiment had given in South Vietnam. The unit was then reassigned to Camp Pendleton within the area of the base called Camp Margarita or the 33 Area.

Notable former members

John Basilone, served with machine guns during World War II
John A. Butler, served as Commanding Officer of 1st Battalion during the battle of Iwo Jima
Jack Chevigny, served as Liaison Officer of H&S Company, during the battle of Iwo Jima
Jack Lummus, served with F Company, 2nd Battalion, 27th Marines
Donn J. Robertson, served as Commanding Officer of 3rd Battalion during the battle of Iwo Jima
Thomas A. Wornham, served as Commanding Officer during the battle of Iwo Jima

References

^ Shulimson, Jack (1982). U.S. Marines in Vietnam: An Expanding War, 1966 (PDF). History and Museums Division, Headquarters, U.S. Marine Corps. p. 369. This article incorporates text from this source, which is in the public domain.
^ Telfer, Gary I. (1984). U.S. Marines in Vietnam: Fighting the North Vietnamese 1967. History and Museums Division, Headquarters, U.S. Marine Corps. p. 319. ISBN 9781482538878. This article incorporates text from this source, which is in the public domain.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Shulimson, Jack (1997). U.S. Marines in Vietnam: 1968 The Defining Year. History and Museums Division, Headquarters, U.S. Marine Corps. ISBN 0160491258. This article incorporates text from this source, which is in the public domain.
^ Solis, Gary (1989). Marines And Military Law In Vietnam: Trial By Fire (PDF). History and Museums Division, United States Marine Corps. pp. 111–4. ISBN 978-1494297602. This article incorporates text from this source, which is in the public domain.
^ Cosmas, Graham (2009). The Joint Chiefs of Staff and The War in Vietnam 1960–1968 Part 3 (PDF). Office of Joint History Office of the Chairman of the Joint Chiefs of Staff. p. 249. ISBN 978-1482378696. This article incorporates text from this source, which is in the public domain.