Volume 10, Number 9 · May 9, 1968

Poison Gas in Vietnam

By Seymour M. Hersh

Sometime early in 1964 the Pentagon asked the State Department to investigate and prepare a memo on the legality of the use of non-lethal gases in South Vietnam. The Pentagon's point of view already was known: Army Field Manual 27-10, Law of Land Warfare, says 'the United States is not a party to any treaty, now in force, that prohibits or restricts the use in warfare of toxic or non-toxic gases, or smoke or incendiary materials, or of bacteriological warfare.'



Feature, 6948 words

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