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Operation Ranch Hand Was A Us Military Operation During The Vietnam War That Involved Spraying Millions Of Gallons Of Defoliants, Known As Rainbow Herbicides, Over Rural Areas Of South Vietnam. What Colourful Two-Word Name Was Given To The Most Commonly Used, And Most Notorious, Of The Rainbow Herbicides?'''

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1. Operation Ranch Hand Was A Us Military Operation During The Vietnam War That Involved Spraying Millions Of Gallons Of Defoliants, Known As Rainbow Herbicides, Over Rural Areas Of South Vietnam. What Colourful Two-Word Name Was Given To The Most Commonly Used, And Most Notorious, Of The Rainbow Herbicides?'''





 
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