Thai Navy Chief Petty Officer 1st Class Pairoj Prasansai, right, pours cobra blood into the mouth of a U.S. Marine during jungle survival training as part of Cobra Gold 17 at Camp Ban Chan Krem, Thailand, Feb. 17, 2017. Prasansai is a jungle survival training instructor assigned to the Thai Reconnaissance Battalion. Navy photo by Petty Officer 2nd Class Markus Castaneda