Attention A T users. To access the menus on this page please perform the following steps. 1. Please switch auto forms mode to off. 2. Hit enter to expand a main menu option (Health, Benefits, etc). 3. To enter and activate the submenu links, hit the down arrow. You will now be able to tab or arrow up or down through the submenu options to access/activate the submenu links.

Public Health


Quick Links

Veterans Crisis Line Badge
My healthevet badge
EBenefits Badge

Herbicide Tests and Storage Outside the U.S.

Agent Orange and other tactical herbicides used in Vietnam were tested or stored elsewhere, including in countries outside of the U.S. Below is information from the Department of Defense on projects to test, dispose of, or store herbicides outside the U.S.

For projects in the U.S., go to Herbicide Tests and Storage in the U.S.

View all as PDF: Herbicide Tests and Storage Outside of Vietnam (224 KB, PDF)


Location: Mimot or Krek, Kompon Cham Province
Date: April 16 -30, 1969
Site: Dar and Prek Clong Plantations. Forty spray missions had been flown to control vegetation in northern Tay Ninh Province.


Location: Canadian Forces Base Gagetown, New Brunswick
Date: June 14-17, 1966
Site: Western portion of Base Gagetown between Broad Road and Blissville Road. Test site was ~ 4 miles long by 1,200 feet wide. 116 plots, each 200 X 600 feet wide. Applied by helicopter.

Location: Canadian Forces Base Gagetown, New Brunswick
Date: June 21-24, 1967
Site: Test area was located approximately 10 miles from nearest boarder on Rippon Road east of Broad Road. Fifty plots, each 200 x 660 feet with a 200 ft buffer zone between adjacent plots. Applied by helicopter.


Location: Kumbla
Date: May 1945- February 1946
Site: Kumbla. Testing on five major tropical crops/plants grown in field plots.

Johnston Atoll

Location: Johnston Island (Atoll)
Date: April 18, 1972 - July 14, 1977
Site: The Herbicide Area that was located on the northwest corner of Johnston Island. Moved from Vietnam on the SS Transpacific to Johnston Atoll for storage.

Location: Johnston Island (Atoll)
July 15, 1977 - September 3, 1977
Herbicide Orange moved from herbicide storage area to dock in fuel trucks and transported to the ship Vulcan for incineration.


Location: DMZ to include I Corps (GP) Area
Date: June 3-13, 1968
Site: Area north of Civilian Control Line and south of southern boundary of DMZ (South Tape) Priority Area 1, a 100-meter strip on each side of DMZ Security Fence.

Location: DMZ to include I Corps (GP) Area
Date: June 15- July 9, 1968
Site: Area north of Civilian Control Line (CCL) and south of southern boundary of DMZ (South Tape). Primarily used in Priority Area 3, a 30-meter wide strip on each side of tactically significant roads in the forward area.


Location: Laos
Date: December 1965-September 1969
Site: Ho Chi Minh Trail and road network. Sorties flown from Tan Son Nhut and Da Nang.


VA is currently reviewing its policy on Agent Orange exposure at Thailand military bases. Below is the latest information from DoD.

Location: Royal Thai Army Replacement Center, Pranburi Military Reservation
Date: April 1964/January 1964
Site: Hua Hin Airport. Ground calibration of Aircraft spray system, defoliation tests.

Location: Udorn Royal Thai Air Force Base
Date: October and November 1968; December 28, 1968 – January 2, 1969; February 2-5, 1969; August 31 – Sept. 7, 1969.
Site: Herbicides were only temporarily at Udorn to refill planes for missions in northern Laos.


Download free viewer and reader software to view PDF, video and other file formats.

Environmental health coordinators directory


Health Care


TDD (Hearing Impaired)