Operation Rolling Thunder was a massive bombing offensive against the north'

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Operation Rolling Thunder was a massive bombing
offensive against the north. 180,000 American
troops were sent were sent in 1964 by 1968 the
Americans had 540,000 grunts conscript
soldiers average age 19 - in Vietnam. The
Russians and Chinese retaliated by sending more
and more weapons and supplies along the Ho Chi
Minh Trail.