Was Richard Nixon President during the Vietnam War

Was Richard Nixon President during the Vietnam War

The infamous President Nixon. Much can be said about his presidency and its ignominious conclusion. However, since this exhibit is solely focusing on each president’s contribution to the situation in Vietnam leading up to and during the Vietnam War, we will only examine his actions in that sphere, of which there is a lot to explore. Nixon himself valued foreign policy over every other aspect of the office throughout his time in office, so how did he do in Vietnam? The question is a tricky one to answer, as Nixon’s strategy in Vietnam shifted multiple times over the course of his presidency, with each strategy carrying varying levels of success. 

Nixon inherited the culmination of every mistake his predecessors made. He was certainly fighting an uphill battle in Vietnam, and the war effort was not finding success abroad and at home; domestic uproar over the war was becoming more and more commonplace. Nixon’s initial goal was to snatch victory from the jaws of defeat and end the costly Vietnam War on favorable terms for the U.S. As part of this initial goal, in 1969 Nixon secretly put in place Operation Menu, the bombing of Cambodian and Vietnamese supply lines in order to put pressure on North Vietnam to conclude the war on the U.S.’s terms. Hasty decisions like this from Nixon played into the intentional persona Nixon was attempting to create of a “mad-man” willing to act irrationally to end the war. Nixon’s hope was that by playing up this unpredictable persona, he could scare the North Vietnamese into submission; this did not work. As the North Vietnamese did not balk at Nixon’s attempts to secure any semblance of U.S. victory from the war in Vietnam, and as discontent with the war domestically continued to rise, Nixon shifted his Vietnam strategy.

Starting in 1970, Nixon began to implement the war strategy of Vietnamization, which was the strategic withdrawal of U.S. troops from Vietnam in order to instead place the burden of the conflict on the South Vietnamese. This strategy from Nixon marked the beginning of the end of a long and arduous fight by American troops in Vietnam. With the implementation of Vietnamization, one can see the wavering of U.S. commitment to sustaining war in Vietnam; American withdrawal from Vietnam finally started to gain momentum. Ultimately, on January 23rd, 1973, the Paris Peace Accords were signed and the U.S. fully withdrew grounded military forces from Vietnam; it was not until 1975 that the conflict in Vietnam would officially end.

Nixon leaves behind a tattered and complicated legacy, and his dealings with Vietnam are no exception. However, it is important to keep in mind the horrific situation in Vietnam he inherited from those who came before him; Nixon, in many ways, was given by his predecessors a losing battle to fight. With that in mind, he did work hard to realize an end to U.S. military involvement in Vietnam, and Vietnamization helped achieve this goal. However, his initial “mad-man” policy bore no fruits early in his term as president, causing more harm and destruction than good. In that way, Nixon and his actions in Vietnam accurately characterize the conflict in Vietnam as a whole: messy, complicated, and leaving behind a difficult-to-contend-with legacy.

Was Richard Nixon President during the Vietnam War

Nixon Presenting Map of Indochina with Particular Emphasis on Cambodia

Was Richard Nixon President during the Vietnam War

Protests Against Nixon and the Vietnam War

Was Richard Nixon President during the Vietnam War

Paris Peace Accords on the Front Page of a Newspaper

Digital Media/Primary Sources

Below are two cardinal moments regarding Vietnam from Nixon's presidency. The first video is a televised address from the president in which he fairly candidly explains the situation in Vietnam, making it a point to discern the role his predecessors had in creating the troublesome situation there; the second video is Nixon's announcement to the American people of the signing of the Paris Peace Accords, officially removing U.S. military forces from Vietnam.

Nixon Address to the Nation Summarizing Vietnam War, 1969

Nixon Announcing American Withdrawal from Vietnam, 1973

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Was Richard Nixon President during the Vietnam War

Richard Nixon during the 1968 presidential campaign. Photo: Ollie Atkins

In 1968, the Paris Peace talks, intended to put an end to the 13-year-long Vietnam War, failed because an aide working for then-Presidential candidate Richard Nixon convinced the South Vietnamese to walk away from the dealings, says a new report by the BBC’s David Taylor. By the late 1960s Americans had been involved in the Vietnam War for nearly a decade, and the ongoing conflict was an incredibly contentious issue, says PBS:

In 1967, with American troop strength in Vietnam reaching 500,000, protest against U.S. participation in the Vietnam War had grown stronger as growing numbers of Americans questioned whether the U.S. war effort could succeed or was morally justifiable. They took their protests to the streets in peace marches, demonstrations, and acts of civil disobedience. Despite the country’s polarization, the balance of American public opinion was beginning to sway toward “de-escalation” of the war.

Nixon’s Presidental campaign needed the war to continue, since Nixon was running on a platform that opposed the war. The BBC:

Nixon feared a breakthrough at the Paris Peace talks designed to find a negotiated settlement to the Vietnam war, and he knew this would derail his campaign.

… In late October 1968 there were major concessions from Hanoi which promised to allow meaningful talks to get underway in Paris – concessions that would justify Johnson calling for a complete bombing halt of North Vietnam. This was exactly what Nixon feared.

President Johnson had at the time a habit of recording all of his phone conversations, and newly released tapes from 1968 detailed that the FBI had “bugged” the telephones of the South Vietnamese ambassador and of Anna Chennault, one of Nixon’s aides. Based on the tapes, says Taylor for the BBC, we learn that in the time leading up to the Paris Peace talks, “Chennault was despatched to the South Vietnamese embassy with a clear message: the South Vietnamese government should withdraw from the talks, refuse to deal with Johnson, and if Nixon was elected, they would get a much better deal.” The Atlantic Wire:

In the recently released tapes, we can hear Johnson being told about Nixon’s interference by Defence Secretary Clark Clifford. The FBI had bugged the South Vietnamese ambassadors phone. They had Chennault lobbying the ambassador on tape. Johnson was justifiably furious — he ordered Nixon’s campaign be placed under FBI surveillance. Johnson passed along a note to Nixon that he knew about the move. Nixon played like he had no idea why the South backed out, and offered to travel to Saigon to get them back to the negotiating table.

Though the basic story of Nixon’s involvement in stalling the Vietnam peace talks has been around before, the new tapes, says the Atlantic Wire, describe how President Johnson knew all about the on-goings but chose not to bring them to the public’s attention: he thought that his intended successor, Hubert Humphrey, was going to beat Nixon in the upcoming election anyway. And, by revealing that he knew about Nixon’s dealings, he’d also have to admit to having spied on the South Vietnamese ambassador.

Eventually, Nixon won by just 1 percent of the popular vote. “Once in office he escalated the war into Laos and Cambodia, with the loss of an additional 22,000 American lives, before finally settling for a peace agreement in 1973 that was within grasp in 1968,” says the BBC.

More from Smithsonian.com:

A Photo-journalist’s Remembrance of Vietnam
Vietnam now

Vietnamization was a policy of the Richard Nixon administration to end U.S. involvement in the Vietnam War through a program to "expand, equip, and train South Vietnamese forces and assign to them an ever-increasing combat role, at the same time steadily reducing the number of U.S. combat troops".[1] Brought on by the Viet Cong's Tet Offensive, the policy referred to U.S. combat troops specifically in the ground combat role, but did not reject combat by the U.S. Air Force, as well as the support to South Vietnam, consistent with the policies of U.S. foreign military assistance organizations. U.S. citizens' mistrust of their government that had begun after the offensive worsened with the release of news about U.S. soldiers massacring civilians at My Lai (1968), the invasion of Cambodia (1970), and the leaking of the Pentagon Papers (1971).

Was Richard Nixon President during the Vietnam War
VietnamizationPart of Vietnam War
President Richard Nixon shaking hands with armed forces in South Vietnam, July 30, 1969
Date28 January 1969 – 30 April 1975
(6 years, 3 months and 2 days)
Location

South Vietnam

Result 1973 US Withdrawal from Vietnam

The name "Vietnamization" came about accidentally. At a January 28, 1969, meeting of the National Security Council, General Andrew Goodpaster, deputy to General Creighton Abrams and commander of the Military Assistance Command, Vietnam, stated that the Army of the Republic of Vietnam (ARVN) had been steadily improving, and the point at which the war could be "de-Americanized" was close. Secretary of Defense Melvin Laird agreed with the point, but not with the language: "What we need is a term like 'Vietnamizing' to put the emphasis on the right issues." Nixon immediately liked Laird's word.[2]

Vietnamization fit into the broader détente policy of the Nixon administration, in which the United States no longer regarded its fundamental strategy as the containment of communism but as a cooperative world order, in which Nixon and his chief adviser Henry Kissinger were focused on the broader constellation of forces[clarification needed] and the bigger world powers.[3] Nixon had ordered Kissinger to negotiate diplomatic policies with Soviet statesman Anatoly Dobrynin. Nixon also opened high-level contact with China. U.S. relations with the Soviet Union and China were of higher priority than South Vietnam.

Nixon said Vietnamization had two components. The first was "strengthening the armed force of the South Vietnamese in numbers, equipment, leadership and combat skills", while the second was "the extension of the pacification program [i.e. military aid to civilians] in South Vietnam." To achieve the first goal, U.S. helicopters would fly in support; however, helicopter operations were too much part of ground operations to involve U.S. personnel.[clarification needed] Thus, ARVN candidates were enrolled in U.S. helicopter schools to take over the operations. As observed by Lieutenant General Dave Palmer, to qualify an ARVN candidate for U.S. helicopter school, he first needed to learn English; this, in addition to the months-long training and practice in the field, made adding new capabilities to the ARVN take at least two years.[4] Palmer did not disagree that the first component, given time and resources, was achievable. However: "Pacification, the second component, presented the real challenge...it was benevolent government action in areas where the government should always have been benevolently active...doing both was necessary if Vietnamization were to work."

The policy of Vietnamization, despite its successful execution, was ultimately a failure as the improved ARVN forces and the reduced American and allied component were unable to prevent the fall of Saigon and the subsequent merger of the north and south, to form the Socialist Republic of Vietnam.

After several years of the First Indochina War, French commanders adopted a policy they called "yellowing" (jaunissement), expressly to minimize white casualties. US critics of the war compared Vietnamization to jaunissement.[5]

Excerpt of Lyndon B. Johnson speech on the Vietnam War (September 29, 1967)

Lyndon Johnson's major political interests were domestic; the war interfered with his domestic focus, and he was eager to end the war in a way that he considered politically acceptable. In 1967, Kissinger attended a Pugwash Conference of scientists interested in nuclear disarmament. Two participants approached Kissinger and offered a disavowable means of communication between the U.S. and the communist leadership. In particular, Raymond Aubrac, an official of the World Health Organization, knew Ho Chi Minh and agreed to carry a message.

After discussing the matter with Assistant Secretary of State William Bundy and Secretary of Defense Robert McNamara, a message was sent. Ho said he would be willing to negotiate if the U.S. bombing of North Vietnam under Operation Rolling Thunder ceased. Mai Van Bo, Hanoi's diplomatic representative in Paris, was named a point of contact. Since Hanoi would not communicate with an American official without a bombing halt, Kissinger served as an intermediary. Johnson made a speech in San Antonio on September 29, offering the possibility of talks. They were rejected, although brought up again in 1967.[6]

End of Americanization

The departure of Lyndon B Johnson did not end the war; rather, it spread throughout Southeast Asia. The Tet Offensive (1968) was a political and media disaster. Newsman Walter Cronkite announced that he saw a stalemate as the best case scenario for the Tet Offensive. Other members of the press added to the call to retrench (reduce costs and spending).[citation needed] President Johnson's popularity plummeted and he announced a bombing halt on March 31, simultaneously announcing he would not run for re-election.[7] Though he had low expectations, on May 10, 1968, Johnson began peace talks between U.S. and North Vietnamese in Paris. The war, however, continued.

Under the Nixon administration, Henry Kissinger, Nixon's chief adviser, asked the Rand Corporation to provide a list of policy options, prepared by Daniel Ellsberg. On receiving the report, Kissinger and Schelling asked Ellsberg about the apparent absence of a victory option; Ellsberg said "I don't believe there is a win option in Vietnam." While Ellsberg eventually did send a withdrawal option, Kissinger would not circulate something that could be perceived as defeat.[8]

According to a record, prepared by Soviet Ambassador to the United States Anatoliy Dobrynin, of discussions between Dobrynin and Kissinger, the crux of the U.S. position, was progress still must be made at the Paris talks and, for domestic political reasons, Nixon "simply cannot wait a year for Hanoi to decide to take some new step and take a more flexible position." Dobrynin expressed the Soviet position that the U.S. needed to stop trying to divide the Paris Peace Talks into two parts:

  • discussion of military issues between the U.S. and the DRV
  • resolution of political issues by placing them, "for all practical purposes, entirely in the hands of Saigon, which does not want to resolve them and is unable to do so, since it is unable to soberly assess the situation and the alignment of forces in South Vietnam."[9]

Dobrynin, however, misunderstood the extent to which the U.S. was willing to apply military force not involving ground troops, culminating in Operation Linebacker II.[3]

Nixon directed the Joint Chiefs of Staff to prepare a six-step withdrawal plan. The Commandant of the Marine Corps General Leonard F. Chapman Jr. remembered, "I felt, and I think that most Marines felt, that the time had come to get out of Vietnam." Leading the ground force withdrawals, Marine redeployments started in mid-1969, and by the end of the year the entire 3rd Marine Division had departed.[10]

In the aftermath of the Tet Offensive, ARVN units were able to take control of areas held by the Viet Cong. General Tran Van Tra of the Viet Cong forces in the South stated:

We suffered large sacrifices and losses with regard to manpower and materiel, especially cadres at the various echelons, which clearly weakened us. Afterwards, we were not only unable to retain the gains we had made but had to overcome a myriad of difficulties in 1969 and 1970.[11]

Some ARVN units, especially that had been operating closely with U.S. troops or using facilities, could quickly move into a dominant role in their areas.

Other ARVN units faced more of a challenge. For example, the ARVN 5th Division was directed to move from its existing base camp, Phu Cuong, to that of the U.S. 1st Infantry Division in Lai Khê, while the U.S. division moved southeast to Dĩ An. The ARVN unit had to retain its previous operational responsibility, while replacing a division that was far better equipped with helicopters than a standard U.S. division.[12] At Phu Cong, Major General Nguyen Van Hieu, the 5th Division commander, was able to use a local Popular Force battalion for base security. The Popular Force battalions, however, did not move away from the area in which they were formed.[clarification needed]

In 1969, Nixon ordered B-52 strikes against the People's Army of Vietnam (PAVN) bases and supply routes in Cambodia, which had been used as a sanctuary by North Vietnam forces. The orders for U.S. bombing of Cambodia were classified, and thus kept from the U.S. media and Congress. In a given strike, each B-52 normally dropped 42,000 lb (19,000 kg) of bombs, and each strike consisted of three or six bombers.

Cambodian change of government

Much of North Vietnamese infiltration went through Cambodia. Nixon authorized unacknowledged bombing in Cambodia while U.S. ground troops were in South Vietnam. General Lon Nol had overthrown Prince Norodom Sihanouk in March 1970, who had presented himself as a neutralist while aware of the PAVN use of his country.

In June 1969, the Viet Cong and its allied organizations formed the Provisional Revolutionary Government of the Republic of South Vietnam (PRG), recognized by Hanoi as the legal government of South Vietnam. At that time, communist losses dating from the Tet Offensive numbered 75,000, and morale was faltering, even among the party leadership.

Joint ground operations

On April 30, 1970, responding to a Communist attempt to take Cambodia, Nixon announced a large scale US–ARVN incursion into Cambodia to directly hit the PAVN headquarters and supply dumps; the area bordered ARVN III Corps tactical zone.[13][14]

The campaign began on May 1. The U.S. Task Force Shoemaker, of the 1st Cavalry Divisions, carried out B-52 strikes in the Fishhook area of Cambodia. T.F. Shoemaker operated with the ARVN Airborne Brigade. Separate ARVN operations took place in the Parrot's Beak area.[15] III Corps tactical zone commander Do Cao Tri, the most visible ARVN leader,[16] encouraged the deepest ARVN penetrations.[17]

The incursion prevented the immediate takeover of Cambodia by Pol Pot and his Khmer Rouge, and cost the PAVN the supply line from the port of Sihanoukville. The Khmer Rouge broke with its North Vietnamese sponsors, and aligned with China. This made American involvement visible to the U.S. population, and there were intense protests, including deaths in a confrontation between rock-throwing protesters and National Guardsmen at Kent State University.

The U.S. intelligence collection systems, a significant amount of which (especially the techniques) were not shared with the ARVN, and, while not fully declassified, examples have been mentioned earlier in this article. The Communist side's intelligence operations, beyond the spies that were discovered, are much less known.

While there had been many assumptions that the South Vietnamese government was penetrated by many spies, and there indeed were many, a December 1969 capture of a Viet Cong communications intelligence center and documents revealed that they had been getting a huge amount of information using simple technology and smart people, as well as sloppy U.S. communications security.[18] This specific discovery was made by U.S. Army infantry, with interpretation by regular communications officers; the matter infuriated General Abrams in regards to the communications specialists. Before and after, there had been a much more highly classified, and only now available in heavily censored form, National Security Agency analysis of how the Communists were getting their information, which has led to a good deal of modern counterintelligence and operations security.[19]

Some of the material from Touchdown also gave insight into the North Vietnamese intelligence system. For example, the NVA equivalent of the Defense Intelligence Agency was the Central Research Directorate (CRD) in Hanoi. COSVN intelligence staff, however, disseminated the tactically useful material.[20] Their espionage was under the control of the Military Intelligence Sections (MIS), which were directed by the Strategic Intelligence Section (SIS) of CRD.

Henry Kissinger began secret talks with the North Vietnamese official, Lê Đức Thọ, in February 1970. However, this is credible.[21]

Subsequent congressional action banned further U.S. ground intervention outside the boundaries of South Vietnam, so the next major drive, Operation Lam Son 719, would have to be based on ARVN ground forces, U.S. air and artillery support, and U.S. advisory and logistical assistance.

The Vietnamization policy achieved limited rollback of Communist gains inside South Vietnam only, and was primarily aimed at providing the arms, training and funding for the South to fight and win its own war, if it had the courage and commitment to do so. By 1971, the Communists lost control of most, but not all, of the areas they had controlled in the South in 1967. The Communists still controlled many remote jungle and mountain districts, especially areas that protected the Ho Chi Minh Trail.

Commanded by Hoang Xuan Lam, known more for loyalty to Nguyen Van Thieu than for military talent, Saigon's effort to strike against one of these strongholds, Operation Lam Son 719, failed in 1971. The SVN forces, with some U.S. air support, were unable to defeat PAVN regulars. While the operation is detailed in a separate sub-article, the key issues were that the ARVN were inexperienced in executing large operations. They underestimated the needed forces, and the senior officers had developed in a context that rewarded loyalty rather than competence. Let there be no doubt that there were individual ARVN commanders who would be credit to any military, but, Thieu, like those RVN leaders before him, was constantly concerned at preventing a military coup. "...promotions were won in Saigon, not in battle. And vital to advancement was the avoidance of risk, even at the price of defeat."[22]

Thieu relieved the operational commander, head of I Corps tactical zone commander Hoang Xuan Lam with the most respected combat commander in the ARVN, Do Cao Tri. Tri died 2.5 hours later in his first helicopter crash of inspection. It is known the crash was at low altitude; it has been argued it had crashed due to mechanical failure or enemy fire. Certainly, mechanical failure was less demoralizing.[16]

The 25,000-man ARVN force, which U.S. planners had considered half the necessary size,[23] took admitted 25% casualties, which some estimates put as high as 50%.[24]

By the beginning of 1972, over 400,000 U.S. personnel had been withdrawn, most of whom were combat troops. Politically, this allowed Nixon to negotiate with China and the Soviet Union without suggesting that he was compromising U.S. soldiers in the field.[25]

North Vietnam made a major conventional attack on the South, for which the U.S. provided major air support under Operation Linebacker I, which enabled the ARVN to regain substantial control. When North Vietnam, late in the year, left the negotiating table, Nixon authorized the intensive Operation Linebacker II campaign, which forced the North Vietnamese to negotiate; a peace treaty was signed and all U.S. combat forces were withdrawn.

The Armed Forces of the Republic of Vietnam had some excellent ground combat units, but still had very serious problems of command, control, and communications at division level and above.

Many units had become overdependent on American air support, and, while the RVN Air Force had not developed large-scale interdiction capability, they were also of varied quality for close air support. Beyond the issue that the Air Force was always fragmented to the corps commanders, they also did not receive various expected equipment upgrades. Photoreconnaissance was extremely limited.[26]

Armored units had developed the greatest confidence in their ability to fight without U.S. air support. Ground commanders also learned that armored units were not for infantry support and static defenses, but needed to be used as mobile reserves.[27] Neither North nor South Vietnam, however, had really mastered large-scale combined arms methods, compared to a NATO or Warsaw Pact level of proficiency.

  • Afghanization - Similar program to equip and train Afghan National Security Forces.

  1. ^ United States Department of Defense, "Melvin R. Laird", Secretaries of Defense
  2. ^ Kissinger 2003, pp. 81–82.
  3. ^ a b Burr, William, ed. (November 2, 2007), Kissinger conspired with Soviet Ambassador to keep Secretary of State in the Dark, National Security Archive Electronic Briefing Book, vol. 233, George Washington University
  4. ^ Palmer, Dave R. (1978), Summons of the Trumpet, Presidio Press, pp. 219–220, ISBN 9780891410416
  5. ^ Eugene McCarthy, "The Failure of Vietnamization by Any Name", New York Times, 1 August 1970. Retrieved on 24 August 2019.
  6. ^ Kissinger 2003, pp. 41–42.
  7. ^ Lyndon B. Johnson (March 31, 1968), President Lyndon B. Johnson's Address to the Nation Announcing Steps To Limit the War in Vietnam and Reporting His Decision Not To Seek Reelection, archived from the original on June 16, 2002
  8. ^ Gibbs, James William (1986), The Perfect War: Technowar in Vietnam, Atlantic Monthly Press, p. 170, ISBN 9780871130631
  9. ^ Burr, William, ed. (November 2, 2007), "Document 8: Their First "One-on-One": Dobrynin's record of meeting with Kissinger, 21 February 1969, pp. 20-25 of Soviet-American Relations: the Détente Years, 1969-1972", Kissinger conspired with Soviet Ambassador to keep Secretary of State in the Dark, vol. George Washington University National Security Archive Electronic Briefing Book No. 233
  10. ^ Shumlimson, Jack, "The Marine War: III MAF in Vietnam, 1965-1971", 1996 Vietnam Symposium: "After the Cold War: Reassessing Vietnam" 18–20 April 1996, Vietnam Center and Archive at Texas Tech University, archived from the original on August 21, 2006
  11. ^ Tran Van Tra (2 February 1983), Vietnam: History of the Bulwark B2 Theater (PDF), FBIS Southeast Asia Report, vol. 5: Concluding the 30 Years of War, Joint Publications Research Service, Foreign Broadcast Information Service, online by U.S. Army Combat Studies Institute
  12. ^ Nguyen Van Tin (April 12, 2002), "Why Did Vietnamization of The Vietnam War Fail?", Fourth Triennial Symposium, Vietnam Center, Texas Tech University, archived from the original on July 1, 2004, retrieved April 7, 2010
  13. ^ Smith, Russell H. (September–October 1971), "The Presidential Decision on the Cambodian Operation: A Case Study in Crisis Management", Air University Review
  14. ^ Nixon, Richard M. (April 30, 1970), Address to the Nation on the Situation in Southeast Asia
  15. ^ Tolson 1973, Chapter XI: The Changing War and Cambodia, 1969–1970.
  16. ^ a b "The Death of a Fighting General", Time, March 8, 1971 (subscription required)
  17. ^ Fulghum, David; Mailand, Terrence, "Two Fighting Generals: Generals Do Cao Tri and Nguyen Viet Thanh", South Vietnam on Trial – The Vietnam Experience, Boston Publishing Company
  18. ^ Fiedler, David (Spring 2003), "Project touchdown: how we paid the price for lack of communications security in Vietnam - A costly lesson", Army Communicator
  19. ^ Center for Cryptologic History 1993.
  20. ^ Center for Cryptologic History 1993, p. 64.
  21. ^ Donaldson, Gary (1996), America at War Since 1945: Politics and Diplomacy in Korea, Vietnam, and the Gulf War, Greenwood Publishing Group, ISBN 9780275956608, pp. 120-124
  22. ^ Karnow 1983, p. 630.
  23. ^ Karnow 1983, p. 628.
  24. ^ "The Invasion Ends", Time, April 5, 1971, archived from the original on January 5, 2013
  25. ^ Karnow 1983, p. 636.
  26. ^ Smith, Homer D. (30 May 1975), End of Tour Report (PDF)[permanent dead link], pp. 3-4, 8-11
  27. ^ Tolson 1973, pp. 218–219.

  • Center for Cryptologic History, National Security Agency (1993), PURPLE DRAGON: The Origin and Development of the United States OPSEC Program (PDF), vol. United States Cryptologic History, Series VI, The NSA Period, Volume 2
  • Karnow, Stanley (1983), Vietnam: A History, Viking Press, ISBN 9780670746040
  • Kissinger, Henry (2003), Ending the Vietnam War: a History of America's involvement and extrication from the Vietnam War, Simon & Schuster, ISBN 9780743215329
  • Tolson, John J. (1973), Vietnam Studies: Airmobility 1961–1971 (PDF), Office of the Chief of Military History, LCCN 72-600371

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