200304-M-LD713-0495 PHRA MAHA JETSDARATCHAO CAMP, Thailand (March 4, 2020)Chemical, biological, radiological and nuclear defense specialists with the 31st Marine Expeditionary Unit (MEU) screen for hazardous materials during a biological decontamination demonstration with Royal Thai marines as part of exercise Cobra Gold 2020 at Phra Maha Jetsadaratchao Camp, Kingdom of Thailand, March 4, 2020. Exercise Cobra Gold 20 is the largest theater security cooperation exercise in the Indo-Pacific region and is an integral part of the U.S. commitment to strengthen engagement in the region. (U.S. Marine Corps photo by Lance Cpl. Kevan Dunlop/Released)