Gulf of Tonkin Incident & US Involvement in Vietnam Flashcards
Why was the Gulf of Tonkin Incident important?
- In August 1964, North Vietnamese torpedo boats allegedly attacked the USS Maddox in the Gulf of Tonkin.
- Johnson used this as a pretext to escalate US involvement in Vietnam.
- While there’s disagreement about the true nature of the attack, the incident marked the US’s direct military involvement.
- Increased fear of communism led to public and political pressure for action.
What was President Johnson’s view on the Vietnam War?
- Johnson inherited a Vietnam crisis and feared losing South Vietnam to communism would be disastrous for his presidency.
- He believed in the Domino Theory — that if Vietnam fell, other countries in Southeast Asia would follow.
- Johnson escalated US involvement to protect America’s credibility in the Cold War.
- He was also influenced by military advisors and a desire to maintain control over the region.
What happened during the Gulf of Tonkin Incident in 1964?
August 2, 1964: The USS Maddox, conducting electronic intelligence gathering in the Gulf of Tonkin, reported being attacked by three North Vietnamese torpedo boats. The Maddox fired back, reportedly hitting two boats.
August 4, 1964: A second attack was reported, this time involving the USS C. Turner Joy. However, later evidence cast doubt on whether this attack actually happened, with some sources suggesting it was a false radar reading or misinterpretation.
Key Stats:
- $1.1 billion in military aid sent to South Vietnam as a result of escalation.
- 2 US Navy ships involved: the Maddox and C. Turner Joy.
What was the Gulf of Tonkin Resolution, and why was it important?
Passed by Congress on August 7, 1964, the resolution granted President Lyndon B. Johnson the authority to use military force in Vietnam without formally declaring war.
Key Stats:
- 98 Senators voted in favor (only 2 voted against).
- 439 Members of Congress voted in favor, with 4 voting against.
- This gave Johnson almost unlimited power to escalate US involvement, leading to an increase in troops and bombing missions.
How did President Johnson use the Gulf of Tonkin Incident to justify escalation?
- Johnson presented the Gulf of Tonkin Incident as an unprovoked attack on American vessels in international waters, which increased the public desire for action.
- He claimed it was part of a wider North Vietnamese aggression and a threat to US interests in Southeast Asia.
- This allowed Johnson to escalate US military action without waiting for a formal declaration of war.
What was the impact of the Gulf of Tonkin Resolution on US involvement in Vietnam?
- Immediate military escalation: Within months, Johnson ordered the deployment of ground troops and Operation Rolling Thunder (a bombing campaign over North Vietnam).
- The resolution was vital in pushing the US toward full-scale military involvement — from under 20,000 troops in 1964 to over 500,000 by 1968.
Key Stats: - In 1965, the US sent 200,000 troops to Vietnam.
- By 1968, over 500,000 US troops were deployed.
Why is there doubt about the Gulf of Tonkin Incident?
- Second attack on August 4, 1964 was later revealed to possibly be a false alarm — caused by miscommunication, poor intelligence, or weather conditions.
- Admiral John S. McCain, the father of Senator John McCain, later said the attack might have been exaggerated.
- In 2005, documents from the National Security Agency (NSA) confirmed that the second attack on August 4 was likely a false report.
How did the Gulf of Tonkin Incident affect public opinion in the US?
- At first, the incident rallied public support for US action in Vietnam, portraying the attack as an unprovoked violation of international law.
- However, after details emerged about the questionable second attack, public support began to deteriorate. The war became increasingly controversial, especially after the Tet Offensive in 1968.
Key Stats: - Before the Gulf of Tonkin incident, around 60% of Americans supported US involvement in Vietnam.
- By 1968, following growing casualties and mounting questions about the war’s justification, support dropped to around 40%.
What was Operation Rolling Thunder, and how did it relate to the Gulf of Tonkin?
- Operation Rolling Thunder (1965–1968) was a sustained bombing campaign over North Vietnam that began shortly after the Gulf of Tonkin Incident.
- It was meant to weaken the North Vietnamese military, destroy their supply lines, and undermine morale.
However, the bombing failed to cripple North Vietnam’s resolve or military capability. It instead galvanized more support for the communist cause.
Key Stats: - Over 800,000 tons of bombs were dropped.
- Over 500,000 sorties (bombing missions) were conducted.
- 50,000 civilian deaths in North Vietnam.
Why did US involvement in Vietnam increase after the Gulf of Tonkin?
- After the Gulf of Tonkin, the US committed to preventing the fall of South Vietnam and preserving its credibility in the Cold War. The domino theory played a major role in justifying the expansion of US military action.
- US involvement increased as Johnson believed military escalation was necessary to contain communism and avoid a loss of influence in Asia.
Key Stats: - By 1965, 200,000 US troops were stationed in Vietnam.
- By 1968, that number had risen to over 500,000.
What were guerrilla tactics, and why were they effective?
-The Vietcong used hit-and-run tactics, ambushes, and surprise attacks, often blending in with the civilian population. They used knowledge of the local terrain to their advantage.
-Their approach made it difficult for the US to effectively use their advanced technology and firepower, leading to stagnation on the battlefield.
Key Stats:
- Vietcong forces were often outnumbered and outgunned but used their guerrilla tactics effectively to maintain resistance.
What was the Ho Chi Minh Trail, and why was it vital to the Vietcong?
- The Ho Chi Minh Trail was a vast network of supply routes running through Laos and Cambodia, which the North Vietnamese used to supply the Vietcong in South Vietnam.
- The trail was vital because it allowed the North to maintain supplies, troops, and weapons for the Vietcong, despite the intense bombing campaigns by the US.
Key Stats: - The Ho Chi Minh Trail stretched for over 12,000 miles.
- Despite US bombing campaigns, the trail remained operational and kept the Vietcong supplied.
What role did tunnels, punji traps, and bouncing betties play in the war?
- Tunnels allowed the Vietcong to hide, transport supplies, and launch surprise attacks.
- Punji traps were hidden spiked pits designed to maim or kill.
- Bouncing Betties were land mines that exploded at waist height, causing severe injuries or death.
Key Stats:
The Vietcong tunnel network in Cu Chi was over 200 miles long.
How did the Vietcong use violence and propaganda in the war?
- The Vietcong used brutal tactics, including attacks on civilian villages and kidnappings, to create fear and gain control.
- Propaganda was used to spread messages of resistance, unify the population, and portray the US as invaders.
what was ‘hanging on the belts of Americans’ ? why was it used ?
- a Vietcong tactic of engaging American and allied forces at close quarters to prevent the use of air and artillery support, which could harm their own troops
- 51 % of US casualties caused by Vietcong ambushes
what were the advantages of the Vietcong tactics ?
- took Americans by surprise, made the soldiers nervous and frustrated
- Vietcong were able to fight a psychological war
- they were able to capture and use US weapons, gained artillery
- 90 % of Vietcong weapons were originally us or south Vietnamese (ARVN)
what were the disadvantages of the Vietcong tactics ?
- a lot of civilians killed as they were suspected as being undercover Vietcong workers
- Vietcong would never be able to fully beat the US using guerrilla tactics, only able to attack small units of the us army not the full army
why were many american soldiers unprepared to fight in the Vietnam war ?
- increasing no. of soldiers need, they sent young and inexperienced soldiers
- average age of US soldiers were 19
- many of them were unable to cope with fighting in an unfamiliar environment
what were ‘search and destroy’ missions ? why were they used & why was it effective ?
- Americans would search villages for Vietcong soldiers in villages, if they found any they would destroy the village as a warning to the south Vietnamese helping the Vietcong
- removed bases for the Vietcong to work from
- became known as ‘zippo’ raids - cigarette lighter used to light the thatched houses on fire
- ## terrified the South Vietnamese peasants
why were american tactics failing in the Vietnam war ?
- US was unable to fight back against the guerrilla tactics
- Vietcong never did open combat so the US were unable to use heavy weapons and air support
- the Vietcong would ambush the US patrols that were meant to be searching for them
- inexperienced GI was unable to tell the difference between an enemy soldier and and innocent civilian, GIs often killed civilians
- Us helicopter gunners fired at anything that looked suspicious
how was chemical warfare used and how in the Vietnam war ?
Agent orange:
- Highly toxic weed killer that was used to destroy the jungle so that Americans could see the Vietcong trails, tunnel entrances, and bases from air
Agent blue:
- Destroy crops so the Vietcong would not have enough food
Downside:
- chemicals caused cancer
- pregnant women - affects children
Napalm:
- gelling agent and fuel
-burn through anything, effective for destroying the jungle
- would burn skin and cause severe damage to injure civilians
what was the impact of US tactics ?
- bombing campaign was successful
- Ho Chi Minh trail was disrupted, rarely enough time for the us to get ahead
- search and destroy missions and chemical warfare resulted in the capture of relatively few Vietcong soldiers, did little to destroy tunnels
- attacks only made the peasants turn more against the US
- many innocent civilians were killed in the raids, survivors then began to support the Vietcong
what was the Tet offensive and when was it ? what was the aim ?
- 1968
- in honor of Tet there was a ceasefire and around 84,000 Vietcong and north Vietnamese troops attacked more than 100 towns, cities & military bases
- US embassy building and general Westmoreland’s headquarters in saigon
AIM: - ## inspire south Vietnamese soldiers to rise up against their government & the Americans in their country to drive them out
what was the american military response to the Tet offensive ?
- U.S. and South Vietnamese forces quickly pushed back the Tet Offensive, regaining control of the cities and bases attacked.
- However, this required enormous use of artillery and air power, causing widespread destruction.
- The Viet Cong suffered heavy casualties, but their ability to strike key targets, including the U.S. embassy in Saigon, shocked American officials and the public.
- Despite regaining control, the U.S. military was now losing over 300 soldiers per week, and more troops were requested—but not granted.