U.S. Marine Corps Chief Warrant Officer 2 Matthew Burks, the chemical, biological, radiological, nuclear defense officer for Battalion Landing Team 1st Battalion, 5th Marines, 31st Marine Expeditionary Unit, poses for a photo with Royal Thai and Republic of Korea Marines during Cobra Gold 16 on Ban Chan Krem, Thailand, Feb. 15, 2016. Working together, these militaries conduct combined task force training that is vital to maintaining the readiness and interoperability of security forces across the region. (U.S. Marine Corps photo by Cpl. Darien J. Bjorndal, 31st Marine Expeditionary Unit/ Released)
<br>Unit: 31st Marine Expeditionary Unit
Cpl. Darien Bjorndal
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