02 THE EASTER OFFENSIVE VIETNM 1972 - VOLUME 1 - INWASION ACROSS THE DMZ.pdf

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CONTENTS
Abbreviations
1
2
3
Also by Albert Grandolini in the Asia@War
series:
The Easter Offensive – Vietnam 1972. Volume
2: Tanks in the Streets
Published in 2015 by:
Helion & Company Limited
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Text © Albert Grandolini 2015
Photographs © as individually credited
Color profiles © Tom Cooper 2015
Maps © Helion & Company Limited. Drawn
by George Anderson
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Cover design by Farr out Publications,
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ISBN 978-1-914377-24-2
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Cover: The offensive across the DMZ was
spearheaded by two armored regiments.
These Type 63s from the 66th Battalion of
the 202nd Armored Regiment ‘swim’ across
the Ben Hai River on the eastern part of the
DMZ. (PAVN); T-54B number 391 of the PAVN
203rd Armored Regiment, northwest of
Dong Ha, April 1972 (color profile).
2
2
4
10
17
21
35
38
46
48
The origin of the campaign
The allied forces
The communist forces
Prelude to the storm
Invasion across the DMZ
Stalemate at Hue
The ARVN on the offensive
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5
6
7
Bibliography
Acknowledgments
Note: In order to simplify the use of this book, all names, locations and geographic
designations are as provided in
The Times World Atlas,
or other traditionally accepted major
sources of reference, as of the time of described events.
ASIA@WAR VOLUME 1
Abbreviations
AA
AAA
ACS
AFB
APC
ARVN
ATGM
Brig Gen
Capt
CBU
CIA
C-in-C
CO
Col
Col Gen
COSVN
DCAT
DMZ
FAC
FSB
Gen
GP
HQ
KIA
Km
Lt
Anti-aircraft
Anti-Aircraft Artillery
Armored Cavalry Squadron
Air Force Base (used for US Air Force bases)
Armored Personnel Carrier
Army of the Republic of Vietnam, the South
Vietnamese Army
Anti-tank guided missile
Brigadier General (military commissioned officer
rank)
Captain (military commissioned officer rank)
Cluster bomb unit
Central Intelligence Agency (USA)
Chief-in-Command
Commanding Officer
Colonel (military commissioned officer rank)
Colonel General (top military commissioned
officer rank)
Central Office for South Vietnam
Division Combat Assistance Team
Demilitarized Zone, separating North from
South Vietnams
Forward Air Controller, usually airborne
controller in observation aircraft
Fire Support Base
General (military commissioned officer rank)
General-purpose (bomb)
Headquarters
Killed in action
Kilometer
Lieutenant (military commissioned officer rank)
Lt Col
1st Lt
2nd Lt
Maj
MANPADS
MBT
MIA
MR
NCO
PAVN
PoW
RAC
RF/PF
SA-2 Guideline
SA-7 Grail
SAM
UHF
USMC
USAF
USN
VNAF
VNMC
WIA
Lieutenant Colonel (military commissioned
officer rank)
First Lieutenant (military commissioned officer
rank)
Second Lieutenant (lowest military
commissioned officer rank)
Major (military commissioned officer rank)
Man-portable air defense system(s). A light
surface-to-air missile system that can be carried
and deployed in combat by a single soldier
Main Battle Tank
Missing in action
Military Region
Non-commissioned officer
People’s Army of Vietnam, the North Vietnamese
Army
Prisoner of War
Regional Assistance Command
Regional Forces/People’s Forces from the ARVN
ASCC codename for S-75 Dvina, Soviet SAM
system
ASCC codename for 9K32 Strela-2, Soviet
MANPADS
Surface-to-air Missile
Ultra High Frequency
United States Marine Corps
United States Air Force
United States Navy
Vietnamese Air Force, Air Force of South
Vietnam
Vietnamese Marine Corps
Wounded in Action
CHAPTER 1
THE ORIGIN OF THE CAMPAIGN
The aftermath of the communist Tet Offensive in 1968 brought with it
a change of resolve in Washington for a long-drawn war in Vietnam.
Even if the local Viet Cong forces and its administrative infrastructure
had been badly defeated, the US was mired in a strategic stalemate
with North Vietnam as they had shown no sign of abandoning the
objective of imposing communist rule in the South.
An increasing percentage of American public opinion now openly
questioned the reason for fighting there – and in view of this in
1969 the United States initiated its ‘Vietnamization’ policy in South
East Asia. The ever-increasing public sentiment further led the new
Richard Nixon administration to call for a ‘highly forceful approach’
to the policy so that South Vietnamese President Nguyen Van Thieu
assumed greater responsibility for the war-effort. The devised scheme
called for a massive upgrade of South Vietnamese military capacity
whilst gradually reducing the number of US troops deployed in the
field. Four years into this policy, significant results were witnessed in
South Vietnam, with 47,000 guerrillas that had ralllied the government
in 1969, and 32,000 in 1970, a trend that continued the following year.
Even if one is cautious using Vietnam War statistics due to different
collation methods, by early 1972 guerrilla activity in the countryside
was at its lowest ebb for decades. The Viet Cong had also not been able
to recover from the losses suffered during the Tet Offensive and the
heavy fighting of 1969–1970. Its underground administrative network
had also been badly weakened by Operation Phoenix coordinated by
the CIA, where between 26,000–41,000 suspected enemy civilians
were ruthlessly executed. The rural economy was now also recovering
thanks to massive US economic aid and an agrarian reform program
initiated by Saigon. US advisors attached to the pacification campaign
repeatedly indicated that the situation was steadily improving, with
most of the South Vietnamese peasants rejecting the Viet Cong and
people showing no real enthusiasm for the corrupt regime.
Tactically the Army of the Republic of Vietnam (ARVN) brought
in over one million men, including half of them from peasant militias
to support most of the combat operations. The newly reinforced units
were at the vanguard of the cross-border operations into Cambodia in
1970 and in Laos in 1971, in order to destroy and disrupt the enemy
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THE EASTER OFFENSIVE VIETNAM 1972 VOLUME 1: INVASION ACROSS THE DMZ
CHAPTER 1: THE ORIGIN OF THE CAMPAIGN
General Vo Nguyen Giap was the Commander-in-Chief of the North
Vietnamese armed forces in 1972. He was also the founder of the People’s
Army of Vietnam and turned it from a guerrilla into a conventional force.
(PAVN)
Lieutenant General Abrams succeeded General Westmoreland as head of
the Military Assistance Command Vietnam (MACV) in 1969. (US Army)
logistical system. These operations revealed the strong and weak
points of the ARVN (for example, when it operated a common US-
South Vietnamese offensive benefiting from American expertise, like
in Cambodia). They performed well – running aggressive sweeps. In
Laos they had no American advisors due to political rumblings and
thus engaged in insufficient numbers which meant the ARVN were
less effective.
A plan to attack the Ho Chi Minh Trail had long been on the
Pentagon agenda and six US divisions were supposedly available.
However, when the Nixon administration finally gave the green light
it was the ARVN – alone with less than half the planned force and
far less firepower – that undertook with the brutal task. Furthermore,
for the first time the South Vietnamese faced an enemy fighting a
conventional battle organized on a Corps level, with tanks, artillery
and a strong anti-aircraft gunning umbrella. Consequently, helicopter
assaults suffered the worst losses experienced during the entire
conflict with 168 destroyed and over 618 damaged. The withdrawing
mechanized columns suffered extensively in very difficult terrains
along jungle trails.
Anti-war sentiment in the US continued to grow notably after the
cross-border raids into Cambodia in 1970 forcing Nixon to accelerate
the withdrawal of US troops. Furthermore, the US administration
now wanted to withdraw as quickly as possible from a conflict riddled
with morale and discipline problems along with racial rioting, fearing
this would spread to the whole of the armed forces. The anti-war
sentiment also led to great difficulties in recruiting enough officers and
specialists to fill all the required posts of a US Army that had grown
to 1,512,000 men and women in 1969, with an additional 310,000
USMC personnel. Recruitment problems also hit the elite institutions
like the Air Force pilots’ community, where many of them preferred to
quit for better paid jobs with airline companies rather than continue
to stay with the military. Budgetary constraints due to an increasing
economic downturn would also soon force the Pentagon to reduce the
size of its armed forces, which in early 1971 had already been slashed
by 400,000 men. The troops deployed in South Vietnam were now
required for garrison duties in Western Europe, Japan, South Korea
and elsewhere, which meant that around 177,000 American soldiers
left Vietnam in 1971.
By January 1972 there were only 158,000 US troops left in the
country and during that month President Nixon announced that he
would withdraw a further 70,000 troops by 1 May. Between February
and April 58,000 troops returned to the United States, making it the
single largest troop withdrawal of the war, meaning that by the end
of March there were only 69,000 US troops left in the country – most
in logistical roles supporting two depleted brigades. What remained
were army aviation elements as well as a reduced USAF presence
providing air support to the South Vietnamese.
The negotiations that started in Paris in May 1968 between the
United States and the communist side also bogged down, not due
in small measure to the intransigence of the South Vietnamese
delegation. However, Washington – in a master-stroke of diplomacy
– opened direct negotiations with China, widening the existing
gap between Peking and Moscow. This resulted in the now historic
trip of President Nixon to Peking in February 1972. The Americans
had also approached the Soviets within the cadre of a new détente
policy in the Cold War, with the purpose of reducing the number
of strategic weapons. Washington hoped that the main supporters
of North Vietnam would talk Hanoi into some sort of compromise
but this was not the case. North Vietnamese leaders proved to be
independent of their bigger communist cousins and skilfully followed
their own agenda by playing Moscow against Peking. In doing this
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