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Even prior to Operation Ranch Hand (1962-1971) it was known [2] [3] [4] [5] [6] [7] that 2,4,5-T, and thus Agent Purple, Agent Pink, Agent Green, and Agent Orange, were contaminated with tetrachlorodibenzodioxin (TCDD), an extremely toxic and persistent by-product formed during synthesis.
Operation Ranch Hand was a U.S. military operation during the Vietnam War, lasting from 1962 until 1971. Largely inspired by the British use of chemicals 2,4,5-T and 2,4-D ( Agent Orange) during the Malayan Emergency in the 1950s, it was part of the overall herbicidal warfare program during the war called "Operation Trail Dust".
Agent Green. 100% n -butyl ester 2,4,5-T. prior to 1963 [2] Agent Pink. 100% 2,4,5-T (60% n -butyl ester 2,4,5-T, and 40% iso-butyl ester of 2,4,5-T) prior to 1964 [2] Agent Purple. 50% 2,4,5-T (30% n -butyl ester of 2,4,5-T, and 20% iso-butyl ester of 2,4,5-T) and 50% n -butyl ester of 2,4-D. 1961–1965.
The first Operation Ranch Hand mission began. Agent Orange defoliants were sprayed from USAF aircraft along several miles of Highway 15 leading from the port of Vũng Tàu to Bien Hoa Air Base northeast of Saigon. Although the United States wished to keep the use of defoliants secret, the South Vietnamese government announced publicly that ...
Agent Orange is a chemical herbicide and defoliant, one of the tactical use Rainbow Herbicides. It was used by the U.S. military as part of its herbicidal warfare program, Operation Ranch Hand, during the Vietnam War from 1961 to 1971. It is a mixture of equal parts of two herbicides, 2,4,5-T and 2,4-D.
Agent Orange was the code name for one of the herbicides and defoliants the U.S. military used as part of its herbicidal warfare program, Operation Ranch Hand, during the Vietnam War from 1961 to 1971. It was a mixture of 2,4,5-T and 2,4-D.
The U.S. Agent Orange usage reached an apex during Operation Ranch Hand, in which the material (with its extremely toxic impurity, dioxin) was sprayed over 4.5 million acres of land in Vietnam from 1961 to 1971.
Concrete. Tan Son Nhut Air Base ( Vietnamese: Căn cứ không quân Tân Sơn Nhứt) (1955–1975) was a Republic of Vietnam Air Force (RVNAF) facility. It was located near the city of Saigon in southern Vietnam. The United States used it as a major base during the Vietnam War (1959–1975), stationing Army, Air Force, Navy, and Marine units ...
Rung Sat Special Zone. Rung Sat Special Zone (Vietnamese: Đặc khu Rừng Sác) was the name given during the Vietnam War by the South Vietnam Government and American forces to a large area of the Sác Forest (Vietnamese Rừng Sác ), which is today known as the Cần Giờ Mangrove Forest. It was also known as the "Forest of Assassins." [1]
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