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US more than doubles its advisers from 327 to 685 men
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meeting of the South East Asia Treaty Organization hears that the US is prepared to deploy troops if it becomes necessary.
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presidential palace in Saigon is bombed during an abortive coup attempt
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Johnson addressed the nation informing Americans about the Tonkin attack and promising to seek a resolution from congress
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kills 23 american servicemen in Qhi Nhon, central Vietnam. Americans respond with air strikes.
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Johnson signed an order authorizing the use of napalm in Vietnam
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joint US-Australian operation in Saigon, locates Vietcong tunnel network
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US forces launch an attempt to shut down Vietcong activity north of Saigon
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Banned use by the US department of agriculture.
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Coordinated series of North Vietnamese attacks on more than 100 cities and outposts in South Vietnamese.
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US forces retake route 9 ending the siege of Khe Sanh.
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Assault teams and artillery attack American bases all over South Vietnam killing 1,140 Americans
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3 south Vietnamese divisions drive into Laos to attack two major enemy bases
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133,000 servicemen remain in South Vietnam
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Between north Vietnamese and the Americans
