Operation Piranha was a

US Marine Corps The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations through combi ...

operation during the

Vietnam War The Vietnam War (also known by #Names, other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vie ...

that took place on the

Batangan Peninsula The Ba Làng An Peninsula ( vi, mũi Ba Làng An, lit=land nose of Three Villages called An) is a peninsula in Quảng Ngãi Province, Vietnam, northeast of Quảng Ngãi and 32 km south of Chu Lai. The name was often mispronounced as "Ba Ta ...

from 7 to 10 September 1965.

Prelude

Following the conclusion of

Operation Starlite Operation Starlite (also known in Vietnam as Battle of Van Tuong) was the first major offensive action conducted by a purely U.S. military unit during the Vietnam War from 18 to 24 August 1965. The operation was launched based on intelligence pr ...

, on 24 August 1965, Marine intelligence concluded that the 1st VC Regiment had withdrawn into the Batangan Peninsula. Reconnaissance photos of the Peninsula showed a V of older field fortifications pointing inland with the open end to the sea and a new second V further inland under construction. The plan of operations was for a Battalion Landing Team (BLT) of the

1st Battalion, 7th Marines The 1st Battalion, 7th Marines (1/7) is an infantry battalion of the 7th Marine Regiment of the United States Marine Corps. It is currently based at the Marine Corps Air Ground Combat Center Twentynine Palms. Consisting of approximately 1,000 M ...

to land across White Beach north of the Peninsula and push south, while

3rd Battalion, 7th Marines The 3rd Battalion 7th Marine Regiment (3/7) is an infantry battalion of the United States Marine Corps. They are based at the Marine Corps Air Ground Combat Center Twentynine Palms and consist of approximately 800 Marines. The battalion falls u ...

, would be helilifted in by

MAG-16 Marine Aircraft Group 16 is a United States Marine Corps aviation unit based at Marine Corps Air Station Miramar that is currently composed of four V-22 Osprey squadrons, four CH-53 Super Stallion squadrons, one Personnel Support Detachment, and ...

to set up blocking positions 4 km inland.

3rd Battalion, 3rd Marines 3rd Battalion, 3rd Marines, abbreviated as (3/3), is an infantry battalion of the United States Marine Corps, based out of Kaneohe, Hawaii. Known as either "Trinity" or "America's Battalion", the unit falls under the command of the 3rd Marine ...

would remain available as a floating reserve. The

Army of the Republic of Vietnam The Army of the Republic of Vietnam (ARVN; ; french: Armée de la république du Viêt Nam) composed the ground forces of the Republic of Vietnam Military Forces, South Vietnamese military from its inception in 1955 to the Fall of Saigon in April ...

(ARVN) 2nd Battalion, 4th Regiment and the 3rd Vietnamese Marine Battalion would be helilifted into the south of 3/7 Marines to clear and search the An Ky Peninsula.

Operation

LCU with M48 tanks leaves USS Belle Grove (LSD-2) 1965

The operation was launched on 7 September 1965, the amphibious landing was unopposed, while the landing of the ARVN force received some minor ground fire. On 8 September, Company B 1/7 Marines discovered a VC field hospital in a large cave near the center of the Peninsula. The Marines captured four prisoners, but then came under fire from other VC in the cave. The Marines returned the fire and attempted to convince the VC to surrender. Marine engineers then placed explosives in the cave. After the detonation, the Marines counted 66 VC dead inside.

Aftermath

Operation Piranha concluded on 10 September, the US claimed that 178 VC had been killed and 360 VC and suspected VC had been captured. Allied losses were two Marines and five South Vietnamese killed. The operation failed to wipe out the 1st VC Regiment, villagers told the Marines that Vietcong units had been in the area but had left, some less than 24 hours before Operation Piranha had commenced. Intelligence reports later indicated that the 1st VC Regiment began leaving the peninsula on 4 September, coinciding with the increased movement of the amphibious ships at

Chu Lai Base Area Chu Lai Base Area (also known as Chu Lai Combat Base or simply Chu Lai or Kỳ Hà) is a former U.S. Marine Corps, U.S. Army and Army of the Republic of Vietnam (ARVN) base in Chu Lai in central Vietnam. Kỳ Hà Air Facility was part of the inst ...

Notes

{{DEFAULTSORT:Piranha, Operation 1965 in Vietnam

Piranha A piranha or piraña (, , or ; or , ) is one of a number of freshwater fish in the family Serrasalmidae, or the subfamily Serrasalminae within the tetra family, Characidae in order Characiformes. These fish inhabit South American rivers, ...

United States Marine Corps in the Vietnam War Battles and operations of the Vietnam War in 1965 History of Quảng Ngãi province