Four “Ranch Hand” C-123 aircraft spray liquid defoliant on a suspected Viet Cong position in South Vietnam in September of 1965. The four specially equipped planes covered a 1,000-foot-wide swath in each pass over the dense vegetation.
Rare Historical Photos. Retrieved from: https://rarehistoricalphotos.com/vietnam-war-the-early-years-1965-1967/. Web. 18 Jan. 2019.